9a: Inheritance and selection9:06

1. Identical twins are formed from1.   the same egg/ different sperm2.   different egg/ same sperm3.   the same egg/ same sperm4.   different egg/ different sperm

2. A sperm is adapted to do its job by having a ………………so that it can swim to the egg1.   tail2.   fin3.   flipper4.   head

3. The human sex cells contain how many pairs of chromosomes?1.   232.   923.   264.   46

4. The chromosomes1.   carry the genetic instructions to make a new person2.   cause cancer to spread3.   make the cells divide to produce specialised cells4.   control our eye colour

5. Amino acids combine to make 1.   protein2.   fats3.   carbohydrates4.   minerals

6. The female sex cell is called the 1.   sperm2.   uterus3.   egg4.   ovary

7. Fertilisation happens in the1.   fallopian tube2.   ovary3.   cervix4.   uterus

8. The male sex cells are called 1.   the penis2.   the testicles3.   sperm4.   the egg

9. Which of the following are not true of chromosomes1.   they are found in the sperm cell2.   they are found in the nucleus of all cells3.   they are found in red blood cells4.   they are found in the egg cell

10. Identical twins are an example of 1.   unnatural cloning2.   mutations3.   variation4.   natural clones

11. Which of the following is not true of cloning in plants

1.   can get many offspring from one parent2.   requires two plants3.   offspring are genetically identical4.   quick to carry out

12. Which of the following doesn't apply to selective breeding1.   Many modern animals are bred by in this way2.   The breeders, breed out the features they do not want3.   The breeders let nature take its course4.   The breeders choose animals with characteristics they want

13. Which of the following doesn't apply to cloning1.   genetically identical2.   sexual reproduction3.   asexual reproduction4.   reproduction without sex cells

14. Cancer is caused by1.   cells growing out of control or mutations DNA2.   cells growing normally but too slowly3.   too many strands of DNA4.   large amounts of red blood cells forming a clot in the artery

15. Fertilisation is1.   when a sperm joins with an egg2.   when sperms are released3.   when an egg implants in the uterus4.   when eggs are released

16. Features that are not inherited from the parents are called 1.   DNA2.   genetic3.   cancer4.   environmental

17. When two sex cells join together they transfer genetic information from both parents. This is called1.   DNA2.   variation3.   genetics 4.   inheritance

18. GM foods are made by 1.   altering the size of a food2.   changing the amount of watering a plant gets3.   altering the time of year we plant a food4.   altering the genetic information of a food

19. Selective breeding is when1.   animals and plants are bred in order to pass on desired features2.   animals are not allowed to breed to prevent the spread of disease3.   animals are bred with other species to make them faster4.   animals are allowed to breed naturally to get maximum variation in offspring

20. The fertilised egg from IVF is implanted in1.   the testes2.   the ovary3.   the egg tube4.   the uterus

21. Non-identical twins are formed from1.   different egg/ same sperm2.   the same egg/ different sperm3.   different sperms/ different eggs4.   the same egg/ same sperm

22. Genes contain the instructions that we

1.   are due to the environment2.   are caused by mutations3.   find4.   inherit

23. Animals and plants are all made up of 1.   food2.   photosynthesis3.   protein4.   cells

24. How many chromosomes are there in human cells (other than sex cells)1.   232.   463.   924.   26

25. A genetically identical copy of a plant or an animal is called a 1.   clone2.   mutation3.   mistake4.   freak

26. The reactions in cells take place1.   in the cell membrane 2.   in the vacuole3.   in the nucleus4.   in the cytoplasm

27. The womb is also called1.   the ovary2.   the oviduct3.   the uterus4.   the cervix

28. The process where the sperm fuses with the egg is called1.   birth2.   pregnancy3.   intercourse4.   fertilisation

29. IVF means In Vitro Fertilisation. What does 'In Vitro' mean?1.   In plastic2.   In a test tube3.   In glass4.   In the laboratory

9b: Fit and healthy8:54

1. Cartilage holds the1.   synovial fluid in place2.   the bone in place3.   the muscle in place4.   the whole joint in place

2. Which of the following types of joint would you find in the hip?1.   Hinge2.   Pivot3.   Ball and Socket4.   Fixed

3. A poisonous gas that stops your blood carrying as much oxygen as it should

1.   Carbon Monoxide2.   Carbon Dioxide3.   Tar4.   Nicotine

4. A drug is1.   stops your body working2.   something which damages your brain3.   something which alters the way your body works4.   something which damages your liver

5. Suppleness is1.   How long you can keep going during exercise2.   How easily and freely you can move3.   How fast you can travel over a distance4.   The amount of force that your muscles can exert

6. If an artery in the brain bursts it's called a 1.   stroke2.   coronary3.   osteoarthritis4.   heart attack

7. Muscle work in 1.   opposite pairs2.   antagonistic pairs3.   on their own4.   annoying pairs

8. Which of these diseases is not caused by microbes?1.   flu2.   mumps3.   arthritis4.   measles

9. The addictive chemical in cigarette smoke is 1.   Tar2.   Tobacco3.   Nicotine4.   Carbon Monoxide

10. Ligaments join1.   Muscle to muscle2.   bone to bone3.   muscle to bone4.   muscle to cartilage

11. Which of the following types of joint would you find in the neck?1.   Fixed2.   Ball and Socket3.   Pivot4.   Hinge

12. Fractures are 1.   torn ligaments2.   damaged cartilage3.   broken bones4.   dislocated joints

13. Which of the following types of joint would you find in your skull?1.   Ball and socket2.   Hinge3.   Fixed4.   Pivot

14. Arthritis is caused by

1.   cartilage breaking down2.   tendons not functioning properly3.   ligaments breaking4.   muscle damage

15. Doctors look inside our bodies to find broken bones with 1.   alpha waves2.   gamma rays3.   x-men4.   x-rays

16. Strength is 1.   How long you can keep going during exercise2.   The amount of force that your muscles can exert3.   How fast you can travel over a distance4.   How easily and freely you can move

17. Which of the following is not one of the S-Factors?1.   Squeeze2.   Stamina3.   Speed4.   Strength

18. Muscles can only1.   pull2.   relax3.   straighten4.   push

19. Which of these is not a type of microbe1.   viruses2.   bacteria3.   alcohol4.   fungi

20. The brown, sticky substance in cigarette smoke that collects in your lungs1.   Carbon Dioxide2.   Carbon Monoxide3.   Tar4.   Nicotine

21. Speed is1.   How long you can keep going during exercise2.   How easily and freely you can move3.   How fast you can travel over a distance4.   The amount of force that your muscles can exert

22. Which of the following is not one of the products of respiration?1.   Carbon Dioxide2.   Water3.   Oxygen4.   Energy

23. Tendons join1.   Cartilage to bone2.   Muscle to muscle3.   Muscle to bone4.   Bone to bone

24. A sprain is damage to your1.   ligaments2.   bones3.   tendons4.   cartilage

25. Which tissue acts as a shock absorber in joints?

1.   ligaments2.   tendons3.   bones4.   Cartilage

26. Stamina is1.   How long you can keep going during exercise2.   How easily and freely you can move3.   The amount of force that your muscles can exert4.   How fast you can travel over a distance

27. Which of these drinks doesn't contain 1 unit of alcohol?1.   1 glass of wine2.   1 measure of whisky3.   1 pint of lager4.   half a pint of bitter

28. Which of the following is not classed as solvent abuse?1.   sniffing tippex2.   sniffing glue3.   inhaling light gas4.   taking heroin

29. Which of these labels would not appear on a diagram of an animal cell?1.   cytoplasm2.   cell membrane3.   cell wall4.   nucleus

30. Which of the following types of joint would you find in the knee?1.   Fixed2.   Ball and Socket3.   Pivot4.   Hinge

9c: Plants and photosynthesis8:43

1. Air contains approximately what percentage of oxygen?1.   9%2.   78%3.   0.04%4.   21%

2. The plant transports the water up the stem in the1.   xylem2.   leaves3.   phloem4.   flowers

3. How does the starch made in the leaves get into a potato?1.   Through the xylem2.   Through the leaves3.   Through the phloem4.   Though the cells

4. Veins in a plant carry1.   gases around the plant2.   water up from the stem3.   water out of the plant if it gets too wet4.   chloroplasts around the plant to follow the sunlight

5. Leaves which have patches of white and green are called

1.   patterned leaves2.   diseased leaves3.   variegated leaves4.   stripy leaves

6. At night, plants1.   don't take in or give out any gases2.   take in oxygen and give out carbon dioxide3.   give out carbon dioxide and don't take in oxygen4.   take in carbon dioxide and oxygen

7. Plants take water and ……………up through their roots.1.   carbon dioxide2.   minerals3.   soil4.   food

8. Which cells contain the chloroplasts?1.   stoma2.   blood cells3.   Palisade4.   spongy cells

9. When a plant photosynthesises it produces1.   water2.   oxygen3.   stripes4.   carbon dioxide

10. Photosynthesis is essentially the reverse process of1.   neutralisation2.   bubbling3.   breathing4.   respiration

11. Green plants are special because they 1.   they are resistant to disease2.   can make their own food3.   are green4.   they grow quickly

12. Plants are green because they contain1.   green dye2.   chlorophyll3.   starch4.   photosynthesis

13. The plants stores the energy as1.   carbon dioxide2.   cellulose3.   starch4.   fats

14. What percentage of the air is carbon dioxide?1.   4%2.   0.04%3.   78%4.   21%

15. Gases pass into and out of the leaf through1.   stomata2.   spongy cells3.   the waxy layer4.   palisade cells

16. The plant takes water up from the soil through

1.   root hair cells2.   leaves3.   their veins4.   the stem

17. During the course of a day when are the levels of oxygen likely to be at their highest?1.   It is not possible to tell2.   Midday3.   Midnight4.   They remain constant

18. We can test a leaf for starch using which chemical?1.   Benedicts2.   Biuret3.   Hydrochloric acid4.   Iodine

19. The way that carbon is recycled and reused is called 1.   the nitrogen cycle2.   recycling3.   the carbon cycle4.   cycling

20. Plants lose water from their leaves by1.   forcing it out of the leaves2.   wind blowing3.   condensation4.   evaporation

21. Which of the following is not going to be one of the results of clearing rainforests?1.   Decrease in soil fertility2.   Increase in soil fertility3.   Hardwoods become endangered4.   Loss of wildlife habitats

22. The plant transports the food around the plant in tiny tubes called1.   xylem2.   flowers3.   root hairs4.   phloem

23. We can test for sugar using 1.   Hydrochloric acid2.   biuret solution3.   benedicts solution4.   iodine

24. If we increase the amount of light a plant receives1.   it will grow slower2.   it will photosynthesise more3.   it will slowly die4.   it will produce more carbon dioxide

25. The test for oxygen gas is?1.   It will re-light a glowing splint2.   Goes blue/black with iodine3.   Squeaky pop4.   Turns limewater cloudy

26. The test for carbon dioxide gas is?1.   Re-lights a glowing splint2.   Squeaky pop3.   Turns limewater cloudy4.   Reacts with benedicts solution turning it a brick red colour

27. Which part of the leaf is darker green?

1.   It depends on the type of plant2.   The top3.   The lower layer4.   The middle

28. Which of the following factors will not slow the rate of photosynthesis?1.   Decreased light levels2.   A cloudy day3.   Increased light levels4.   Damaged leaves

29. The surface of the leaf has a ………….layer to reduce water loss.1.   spongy2.   green 3.   holey4.   waxy

30. Which of the following is not involved in the process of photosynthesis?1.   chlorophyll2.   oxygen3.   carbon monoxide4.   water

9d: Plants for food8:33

1. The movement of nutrients is called a 1.   nitrogen cycle2.   carbon cycle3.   water cycle4.   nutrient cycle

2. Nutrients are returned to the soil by 1.   consumers2.   breakdown 3.   photosynthesis4.   feeding

3. Which of the following is a consumer1.   rabbit2.   oak tree 3.   bacteria4.   mould

4. Which of the following is not regarded as sustainable development?1.   Only fishing at levels where natural reproduction can replace them2.   Planting forests to replace those cut down to make paper3.   Fishing the oceans until stocks run out4.   Replacing trees at an equal or greater rate than they are felled for furniture

5. We can test foods for starch by crushing and dropping on some 1.   benedicts solution2.   iodine3.   water4.   hydrochloric acid

6. Which process makes soil nutrients part of green plants?1.   Photosynthesis2.   feeding3.   Cycling4.   breakdown

7. Burning fossils fuels gives out sulphur dioxide. This can lead to

1.   dangerous tips2.   acid rain3.   sea birds dying4.   Oil Spills

8. Which of these is not an essential nutrient for plant growth?1.   Potassium2.   Phosphorous3.   Nitrogen4.   Oxygen

9. Which of the following should be increased to increase the rate of photosynthesis in plants in a green house?

1.   Carbon Dioxide2.   Nitrogen3.   Oxygen4.   Temperature

10. The microbes that make dead things rot are called 1.   decomposers2.   nutrients3.   producers4.   consumers

11. Which word describes humans in a food web1.   carnivores2.   primary consumers3.   herbivores4.   omnivores

12. Which one of these are not classed as a microbe?1.   viruses2.   bacteria3.   mould4.   consumers

13. Which of these does not come under the heading pollution?1.   Oil Spills2.   Planting forests3.   Smog4.   Detergents

14. Humus is1.   a soft black substance made from dead plants and animals found in the soil2.   the result of transport3.   a Greek foodstuff4.   made from rocks being broken down

15. Introducing ladybirds to control lice on trees is a form of 1.   chemical control2.   biological control3.   pesticide4.   organic control

16. Which of these are not nutrients found in chemical fertilisers1.   Potassium2.   Chlorine3.   Phosphorous4.   Nitrogen

17. Which of the following is a producer1.   rabbit2.   bacteria3.   oak tree4.   mould

18. Which of the following would not affect the amount of crop grown?1.   Increase in the number of pests2.   Drought3.   Plenty of rain4.   War

19. Crops grown without using chemicals are called1.   organic2.   additive free3.   ChemFree4.   small

20. Chemicals used to control pests are called1.   Herbicides2.   Organic control3.   Pesticides4.   Biological control

21. Which of these is a natural form of fertiliser?1.   Crop spraying2.   NPK pellets3.   Manure4.   Chemical soil improvers

22. Nutrients get into animals through a process called1.   photosynthesis2.   feeding3.   breakdown4.   decomposition

23. Plants take up ………...through their roots.1.   soil2.   nutrients3.   food4.   carbon dioxide

24. Which of the following is a decomposer1.   grass2.   mould3.   rabbit4.   oak tree

25. Top carnivores can be killed even when small amounts of pesticides like DDT are used. This is because

1.   it breaks down slowly and becomes less concentrated up the food chain2.   it breaks down slowly and becomes more concentrated up the food chain3.   it breaks down quickly and becomes more concentrated up the food chain4.   it breaks down quickly and is more concentrated at the start of the food chain

26. When countries cannot grow enough food due to war, poverty or poor weather conditions the people may be caught in a

1.   civil war2.   recession3.   boom4.   famine

27. Animal manure improves soil by1.   returning undigested plant material to the soil to be broken down by bacteria2.   blocking sunlight from the weeds, stopping them photosynthesising3.   creating a lot of smell which helps to repel insects4.   giving the plants something to eat

28. Without fungi and bacteria dead things would 1.   decompose at the same rate2.   return their nutrients to the soil quicker

3.   decompose quicker4.   never decompose

29. Approximately what percentage of our waste comes from packaging?1.   10%2.   5%3.   35%4.   25%

30. Fertilisers can be washed out of the soil into rivers causing the water plants to grow out of control and choke the rivers. This is called

1.   environmental damage2.   biological hazard3.   chemical hazard4.   eutrophication

9e: Reactions of metals and metal compounds8:21

1. A compound is 1.   atoms of only one type2.   two or more different types of atoms chemically joined3.   more than one type of atom not chemically joined4.   one type of atom bonded together in lumps

2. Cu is the chemical symbol for which element needed by plants?1.   cobalt2.   copper3.   chlorine4.   iron

3. The first scientist to suggest the name element was1.   Louis Pasteur2.   Robert Boyle3.   Galileo4.   Marie Curie

4. Malleable means1.   it can be made into wires2.   that it can be worked into shapes easily3.   it breaks easily4.   it is very hard

5. Density means1.   the mass of an object2.   the amount of atoms in a given space3.   the weight of an object4.   the size of an object

6. An element contains1.   more than one type of atom not chemically joined2.   more than one type of atom chemically joined3.   several compounds in one place4.   atoms of only one type

7. Acids turn universal indicator paper1.   green2.   purple3.   red/orange4.   blue

8. Acid + Metal Oxide -->1.   Salt + Oxygen

2.   Salt + Hydrogen3.   Salt + Water4.   Salt only

9. When the base is the metal carbonate we also get 1.   carbon2.   carbon dioxide3.   oxygen4.   hydrogen

10. Acid + Base -->1.   Salt only2.   Salt + Oxygen3.   Salt + Hydrogen4.   Salt + Water

11. Atoms are 1.   the same size2.   the smallest parts of any substance3.   the same colour4.   the largest parts of any substance

12. Which statement is true?1.   All metals are magnetic2.   All non-metals are poor conductors of electricity3.   All metals conduct electricity4.   All metals are solids

13. Which of these is not a property of metals1.   low melting point2.   conduct electricity well3.   normally shiny and silver in colour4.   conduct heat well

14. When substances react with nitric acid they form1.   carbonates2.   sulphates3.   nitrates4.   chlorates

15. Acid + Metal -->1.   Metal salt + Oxygen2.   Metal salt + Hydrogen3.   Metal salt + Water4.   Metal salt + Carbon Dioxide

16. Which of the following words is not normal associated with metals?1.   Malleable2.   Brittle3.   Sonorous4.   Ductile

17. Elements can exist in three different states; which of these is not correct?1.   gas2.   solid3.   liquid4.   smoke

18. We can test for carbon dioxide by1.   bubbling through limewater2.   testing with a lit splint3.   testing with a glowing splint4.   dissolving it in water

19. Elements in fertilisers are in compounds. A compound is1.   two or more different types of atoms chemically joined

2.   more than one type of atom not chemically joined3.   atoms of only one type4.   one type of atom bonded together in lumps

20. Neutral pH is number1.   12.   83.   74.   14

21. When substances react with sulphuric acid they form1.   sulphates2.   nitrates3.   sulphides4.   carbonates

22. The test for hydrogen is 1.   a flame produces a squeaky pop2.   turns limewater milky3.   re-lights a glowing splint4.   makes a lit splint burn brighter

23. Which of the following would not be found in NPK fertilisers?1.   Phosphorus2.   Neon3.   Potassium4.   Nitrogen

24. What fraction of the elements are metals?1.   3/42.   1/43.   1/24.   1/3

25. An alkali is 1.   a base that will not dissolve in water2.   a base that reacts with metals3.   a base that will dissolve in water4.   a liquid that reacts to form metals

26. The carbon dioxide produced by a chemical reaction can be collected1.   under water2.   over water3.   by dissolving in water4.   in a trough

27. Which is the correct symbol for Sodium?1.   Ns2.   Na3.   So4.   S

28. When substances react with hydrochloric acid they form1.   chlorides2.   nitrates3.   oxides4.   chlorates

29. A few elements are called metalloids. What does this mean?1.   They don’t look like metals but the are.2.   They have some properties which are similar to metals3.   They haven't decided whether they are metals or non-metals yet4.   They are not metals but they look like them

30. Acid + Metal Hydroxide -->1.   Salt + Hydrogen

2.   Salt only3.   Salt + Oxygen4.   Salt + Water

9f: Patterns of Reactivity8:07

1. Brass is a mixture of1.   zinc and lead2.   zinc and magnesium3.   copper and tin4.   copper and zinc

2. Endothermic reactions1.   are the final stages of a reaction2.   is the way we can explain all chemical reactions3.   take in heat energy4.   give out heat energy

3. Metals found in their natural state are usually1.   gold in colour2.   Unreactive3.   reactive4.   those with high melting points

4. When substances react with oxygen they form1.   oxides2.   chlorides3.   sulphides4.   hydroxides

5. Which of these is not an indicator as to whether a reaction has taken place or not?1.   Change in smell2.   Change in state (solid to liquid)3.   Change in colour4.   A gas being given off

6. Which of the following is not used to find the order of reactivity?1.   Metal + Alkali2.   Melt + Acid3.   Metal + Water4.   Metal + Air

7. Which of the following methods is not used to prevent metals corroding?1.   Plating2.   Painting3.   Greasing4.   Sanding down

8. The reaction between aluminium and iron oxide is called the 1.   fusion reaction2.   hermit reaction3.   hobbit reaction4.   thermit reaction

9. Whenever a chemical reaction takes place energy is1.   gained2.   created3.   transferred4.   lost

10. Because calcium is more reactive than copper it will take away the oxygen from it. This type of reaction is called a ………….reaction

1.   reactivity2.   displacement3.   competition4.   fight

11. Which of the following is not an example of a physical property?1.   How quickly it reacts2.   How Strong it is3.   What temperature it melts at4.   How hard it is

12. Metals high in the reactivity series usually have to be1.   heated to remove impurities2.   mixed with other metals before they can be used3.   extracted from their ores4.   reacted with acids before use

13. Which of the following conditions will cause the iron nail to rust the fastest?1.   Iron nail in a test tube with salty water2.   Iron nail in a test tube with anhydrous calcium chloride and sealed with a bung3.   Iron nail in a test tube with boiled water and a layer of oil on the surface4.   Iron nail in a test tube with tap water

14. The properties of alloys are 1.   always changing so cannot be predicted2.   the same as the individual metals3.   always better than the original metals4.   different to the individual metals

15. An ore is 1.   an Unreactive metal2.   a reactive metal dissolved in water3.   a way to extract metals4.   a metal-bearing rock

16. Malachite is the ore for 1.   iron2.   copper3.   gold4.   aluminium

17. Using your knowledge of the reactivity series which of the following reactions will not take place?1.   calcium oxide + magnesium2.   calcium oxide + sodium3.   tin oxide + calcium4.   calcium oxide + potassium

18. Exothermic reactions1.   are the final stage of a reaction2.   need heat to start3.   give out heat energy4.   take in heat energy

19. When iron reacts with oxygen we call it1.   corrosion2.   rusting3.   Water damage4.   air damage

20. Which of the following is not a chemical change?1.   Dissolving sugar in water2.   Burning a fuel3.   Baking a loaf of bread4.   Striking a match

21. Unreactive metals …………….slowly

1.   tarnish2.   rust3.   boil4.   melt

22. Using your knowledge of the reactivity series which of the following reactions would take place the fastest?

1.   zinc oxide + magnesium2.   tin oxide + sodium3.   copper oxide + potassium4.   iron oxide + calcium

23. Which of the following is not a chemical property1.   How easily it forms compounds2.   How readily it reacts with water3.   How it behaves with acids4.   How strong it is

24. Solder is a mixture of 1.   lead and tin2.   lead and copper3.   copper an zinc4.   tin and magnesium

25. More reactive metals need to be extracted using1.   heat 2.   alkalis3.   acids4.   electricity

26. Another word for when metals become discoloured after reacting with the air is1.   rusting2.   colouring3.   reacting4.   tarnishing

27. Which of the following is not a physical change?1.   Melting a bar of plain chocolate2.   Making copper sulphate from copper oxide and sulphuric acid3.   Freezing water to form ice cubes4.   Boiling a kettle full of water to produce steam

28. Which property is most important when choosing a material to build a car?1.   It doesn't matter as long as it is the same one for each material so as to be fair2.   Both the chemical and the physical3.   Only the chemical properties4.   Only the physical properties

29. An alloy is 1.   a pure metal2.   a mixture of metals3.   a mixture of aluminium and other metals4.   a compound of metals

30. Using your knowledge of the reactivity series which of the following reactions will not take place?1.   copper oxide + magnesium2.   potassium oxide + copper3.   iron oxide + zinc4.   magnesium oxide + sodium

9g: Environmental Chemistry7:55

1. Which of the following descriptions applies to a solid1.   Particles tightly packed together, regularly arranged, not free to move2.   Particles arranged very randomly, very spaced out, free to move3.   Particles arranged in regular pattern, spaced out, free to move around4.   Particles quite close together, random arrangement, free to move around

2. Which of the farmers fields will drain the best?1.   Mainly clay soil with few rock fragments2.   Sandy soil with relatively large rock fragments3.   Sandy soil with plenty of humus4.   Clay soil with some fossils

3. Which of the following is not a property of Loam soils1.   hold water well without getting waterlogged2.   easy to dig3.   easily waterlogged4.   mixture of sandy and clay soils

4. Which of the following gases is not responsible for global warming?1.   Methane2.   Water vapour3.   Carbon Monoxide4.   Carbon Dioxide

5. The tiny droplets in aerosols move around the room by1.   diffusion2.   conduction3.   shaking the can in the air4.   wafting

6. Changing form a liquid to a solid is called1.   melting 2.   evaporation3.   freezing4.   condensation

7. Changing from a gas to a solid directly is called 1.   condensation2.   melting3.   deposition4.   evaporation

8. A compound is 1.   one type of atom bonded together in lumps2.   more than one type of atom not chemically joined3.   atoms of only one type4.   two or more different types of atoms chemically joined

9. Global warming is a result of 1.   the hole in the ozone layer2.   large amounts of glass being used on Earth3.   the greenhouse effect4.   CFCs

10. Acids turn universal indicator paper1.   red/orange2.   blue3.   purple4.   green

11. Which of the following descriptions applies to a liquid1.   Particles tightly packed together, regularly arranged, not free to move2.   Particles arranged in regular pattern, spaced out, free to move around3.   Particles arranged very randomly, very spaced out, free to move4.   Particles quite close together, random arrangement, free to move around

12. Humus is1.   a soft black substance made from dead plants and animals found in the soil2.   a Greek foodstuff3.   made from rocks being broken down4.   the result of transport

13. Breaking substances down using heat is called 1.   thermal cracking2.   thermal decomposition3.   thermal separation4.   heat splitting

14. Neutral pH is number1.   12.   73.   144.   8

15. Changing from a gas to a liquid is called1.   melting2.   sublimation3.   evaporation4.   Condensation

16. Changing from a solid to a gas directly is called1.   melting2.   evaporation3.   sublimation4.   condensation

17. We measure how acid or alkaline soils are using the 1.   acidity scale2.   alkalinity scale3.   colour scale4.   pH scale

18. After filtering you are left with two parts, filtrate and residue. The residue is1.   The liquid left on the filter paper2.   the solid that comes through the filter paper3.   The solid remaining on the filter paper4.   the liquid that has come through the filter paper

19. If we heat calcium carbonate strongly what gas is given off?1.   oxygen 2.   hydrogen3.   carbon monoxide4.   Carbon dioxide

20. Which of these will not reduce the amount of acid rain?1.   Use catalytic converters2.   Plant more trees3.   Remove the sulphur from fossil fuels before we use them4.   Reduce research into alternative fuels

21. Changing from a liquid to a gas is called1.   condensation2.   evaporation3.   sublimation4.   melting

22. Which of the following is not a state of matter1.   Water2.   Solid3.   Liquid4.   Gas

23. Another environmental problem is the hole in the ozone layer. This has been caused by 1.   methane2.   carbon dioxide3.   CFCs4.   global warming

24. In order to neutralise an acidic soil farmers add 1.   acids2.   sand3.   lemon4.   lime

25. Adding salt to water1.   Lowers the boiling and melting points by the same amount2.   Has no effect on the melting and boiling points3.   Lowers the boiling point and raises the melting point4.   Lowers the melting point and increases the boiling point

26. Alkalis turn universal indicator paper1.   yellow2.   green3.   purple/ blue4.   red

27. Which of the following list is not one of the four rock tests1.   scratch test2.   porosity test3.   Taste test4.   what does it look like?

28. Which of the following descriptions applies to a gas1.   Particles tightly packed together, regularly arranged, not free to move2.   Particles arranged very randomly, very spaced out, free to move3.   Particles quite close together, random arrangement, free to move around4.   Particles arranged in regular pattern, spaced out, free to move around

29. The melting and boiling points for a given substance1.   are constant2.   are impossible to predict3.   change all the time4.   vary depending on several factors

30. We can test for carbon dioxide by1.   testing with a glowing splint2.   bubbling through limewater3.   testing with a lit splint4.   dissolving it in water

9H: Using Chemistry7:43

1. Exothermic reactions1.   are the final stage of a reaction2.   need heat to start3.   take in heat energy4.   give out heat energy

2. Which of these apply to igneous rocks1.   usually soft2.   form in layers from particles settling out in water3.   contain fossils4.   formed when molten substances cool

3. Which of the following is not a chemical change?1.   Dissolving sugar in water2.   Burning a fuel3.   Baking a loaf of bread4.   Striking a match

4. In a chemical reaction a …… ………..is made1.   new liquid2.   new gas 3.   new solid4.   new substance

5. If we heat calcium carbonate strongly what gas is given off?1.   carbon monoxide2.   oxygen 3.   hydrogen4.   Carbon dioxide

6. The majority of physical reactions are easily 1.   reversible2.   stopped3.   used4.   started

7. In a chemical reaction the total mass stays the same. This is because1.   the mass stays the same as no new products are made2.   the new substances gain mass from elsewhere in order to be the same weight3.   the new substances formed can only be made from the substances already there4.   the new substance cannot weigh less if the reaction is to happen

8. Which of these rocks is not a metamorphic rock?1.   quartzite2.   marble3.   sandstone4.   slate

9. Whenever a chemical reaction takes place energy is1.   created2.   transferred3.   gained4.   lost

10. The chemicals made when things react together are called 1.   elements2.   reactants3.   products4.   metals

11. Which of the following is not a physical change?1.   Making copper sulphate from copper oxide and sulphuric acid2.   Melting a bar of plain chocolate3.   Freezing water to form ice cubes4.   Boiling a kettle full of water to produce steam

12. Which of these rocks is not a sedimentary rock?1.   marble2.   sandstone3.   shale4.   limestone

13. Reducing means1.   making the chemical smaller2.   adding in oxygen3.   taking the oxygen away4.   taking the nitrogen away

14. Bauxite is the ore for1.   aluminium2.   copper3.   iron4.   magnesium

15. An ore is 1.   a reactive metal dissolved in water2.   an unreactive metal3.   a metal bearing rock4.   a way to extract metals

16. Which statement is true?1.   the formula for a particular compound is always the same2.   the formula for a particular compound is sometimes the same but can be different3.   The formula for a particular compound is impossible to predict4.   the formula for a particular compound is never the same

17. Resources such as oil, plants, rocks etc are called1.   reactants2.   products3.   substances4.   raw materials

18. We can test for carbon dioxide by1.   testing with a glowing splint2.   dissolving it in water3.   testing with a lit splint4.   bubbling through limewater

19. Which of these is not an indicator as to whether a reaction has taken place or not?1.   Change in smell2.   A gas being given off3.   Change in colour4.   Change in state (solid to liquid)

20. Endothermic reactions1.   are the final stages of a reaction2.   give out heat energy3.   is the way we can explain all chemical reactions4.   take in heat energy

21. When methane burns incompletely in air we get1.   carbon dioxide + water2.   water only3.   carbon monoxide + water4.   carbon dioxide only

22. If we heat magnesium in air it forms magnesium oxide, which weighs more than the magnesium we started with. This is because

1.   the particles of the air sit on the surface of the magnesium making them heavier2.   it has reacted with the oxygen forming a compound3.   the magnesium particles get bigger when we heat them making them heavier4.   the particles of ash have lodged between the particles of the magnesium making it heavier

23. Magnetite is an ore of1.   aluminium2.   copper3.   gold4.   iron

24. Which of the following is not one of the raw materials put into the blast furnace?1.   Iron ore2.   Limestone3.   Coke

4.   Molten iron25. If we heat magnesium in air it forms magnesium oxide, which weighs more than the magnesium we

started with. This is because1.   the particles of ash have lodged between the particles of the magnesium making it heavier2.   the particles of the air sit on the surface of the magnesium making them heavier3.   it has reacted with the oxygen forming a compound4.   the magnesium particles get bigger when we heat them making them heavier

26. Which of the following list is not made from oil1.   diesel2.   fuel gas3.   plastics4.   cotton

27. Which of these rocks is not an igneous rock?1.   granite2.   basalt3.   shale4.   gabbro

28. Which of these apply to metamorphic rocks1.   formed when molten substances cool2.   usually soft3.   formed by extremes of heat and pressure from other rocks4.   form in layers from particles settling out in water

29. When methane burns completely in air we get 1.   carbon + hydrogen + oxygen2.   carbon dioxide + water3.   carbon dioxide only4.   water only

30. Which of these apply to sedimentary rocks1.   usually very hard2.   formed when molten substances cool3.   form in layers from particles settling out in water4.   formed by extremes of heat (not melting) and pressure from other rocks

31. Chemicals that react together are called 1.   elements2.   products3.   reactants4.   atoms

9i: Energy and Electricity7:32

1. The circuit symbol for a voltmeter is 1.   a circle with a capital A in it2.   a rectangular box with a line through it3.   a circle with a cross in it4.   a circle with a capital V in it

2. In our homes and cars the components are connected in1.   parallel2.   series3.   wires4.   plastic

3. We measure volts using a 1.   thermometer2.   joule meter

3.   ammeter4.   voltmeter

4. An electrical circuit that has all the components on one wire loop is called a1.   square circuit2.   series circuit3.   simple circuit4.   parallel circuit

5. The efficiency of an appliance is 1.   how much of the energy transferred is heat2.   how much of the energy transferred is useful3.   how much of the energy is light4.   how much of the energy is re-used

6. Which scientist invented the first battery?1.   Ben Franklin2.   Alessandro Volta3.   Luigi Galvani4.   Michael Faraday

7. When connecting an ammeter in a circuit it should be connected in1.   wires2.   parallel3.   series4.   circles

8. Electric current is a flow of 1.   voltage2.   power3.   electrons4.   atoms

9. The current around a series circuit is 1.   impossible to measure2.   the same3.   never the same4.   always different

10. What was the name of the scientist who flew his kite in a lightning storm?1.   Alessandro Volta2.   Ben Franklin3.   Georg Ohm4.   Andre Ampere

11. Energy cannot be 1.   seen2.   used3.   wasted4.   destroyed

12. Who invented the electric motor?1.   Joseph Swan2.   Ben Franklin3.   Thomas Edison4.   Michael Faraday

13. Which form of energy holds us onto the Earth?1.   Strain energy2.   Gravitational potential energy3.   Thermal energy4.   Kinetic energy

14. Energy is measured in 1.   Light2.   Joules

3.   Newton's4.   Watts

15. Who is credited with inventing the light bulb1.   Georg Ohm2.   Michael Faraday3.   Thomas Edison4.   Luigi Galvani

16. Sulphur dioxide produced by burning fossil fuels dissolves in rain water to form1.   limewater2.   acid rain3.   the hole in the ozone layer4.   the greenhouse effect

17. When connecting a voltmeter in a circuit it should be connected in1.   parallel2.   series3.   wires4.   squares

18. The pre-fix Kilo or 'k' as in Kilowatt (kW) means1.   1002.   10003.   1,000,0004.   10

19. An electrical circuit that has all the components on two or more loops of wire is called a1.   looping circuit2.   series circuit3.   complex circuit4.   parallel circuit

20. The size of the electrical push is measured in 1.   watts2.   amps3.   volts4.   joules

21. The circuit symbol for a variable resistor is1.   a rectangle with an arrow diagonally through it2.   a rectangular box with a line down the middle of it3.   a circle with a capital A in it4.   a circle with VR in it

22. The power of an appliance is measured in 1.   watts2.   volts3.   joules4.   ammeter

23. Which of these words means stored energy?1.   Thermal2.   Light3.   Kinetic4.   Potential

24. How easily a conductor lets electrons pass through it is called its 1.   voltage2.   power3.   resistance4.   electrical ability

25. In a series circuit with two bulbs, if one blows then1.   it is never the same, we have to wait and see2.   the circuit will melt

3.   the other will go out4.   the other will stay on

26. Which of the following is not a form of heat transfer1.   radiation2.   diffusion3.   convection4.   conduction

27. Which of these types of energy means moving energy?1.   Electrical2.   Potential3.   Radiation4.   Kinetic

28. In a parallel circuit with two bulbs, one on each of two loops, if one bulb blows then1.   the circuit will melt2.   the other will stay on3.   the other will go out4.   it is never the same, we have to wait and see

29. A battery is made up from two or more1.   batteries2.   cells3.   metals4.   chemicals

30. We can trap the suns energy using 1.   light boxes2.   light traps3.   solar panels4.   thermal traps

9J: Gravity and Space7:22

1. The force that pushes a rocket into the air is called1.   gravity2.   thrust3.   air resistance4.   weight

2. The planets move in orbits that are1.   elliptical2.   random3.   circular 4.    square

3. Which famous scientist came up with the heliocentric model of the solar system?1.   Einstein2.   Aristotle3.   Nicolas Copernicus4.   Galileo

4. Which form of energy is used in a wind turbine?1.   Solar energy2.   Chemical energy3.   Kinetic energy4.   Elastic energy

5. Another name for the moon is a1.   star2.   natural satellite

3.   comet4.   meteorite

6. Which form of energy is stored in a car at the top of a hill?1.   Elastic energy2.   Chemical energy3.   Gravitational potential energy4.   Kinetic energy

7. Which scientist wrote the book 'Pricipia Mathematica' in 1686?1.   Isaac Newton2.   Aristotle3.   Galileo4.   Albert Einstein

8. Which forms of energy are being used in hydroelectric power stations to generate electricity?1.   Chemical energy and kinetic energy2.   Solar energy and nuclear energy 3.   Gravitational potential energy and kinetic energy4.   Elastic energy and chemical energy

9. Which of these is not a use of satellites?1.   Communication2.   Changing the weather3.   Astronomy4.   Weather forecasting

10. A speaker produces which form of useful energy?1.   Light2.   Elastic 3.   Thermal4.   Sound

11. The moon remains in orbit due to the force of 1.   thrust2.   energy3.   friction4.   gravity

12. Which of these don't apply to forces?1.   They can cause things to change direction2.   They are always constant3.   They can cause things to change shape4.   They can cause things to change speed

13. What voltage would be produced by two 1.5V batteries in series?1.   1.5V2.   3V3.   2.5V4.   0V ( they would cancel each other out)

14. 100 watts =1.   1000 j/s2.   100 j/s3.   10 j/s4.   1 j/s

15. The force of gravity pulls us towards...1.   the centre of the Earth2.   to a point somewhere below our feet3.   the ground under our feet4.   the Earths surface

16. A mass of 1 kilogram on Earth weighs1.   1 newton2.   100 newtons

3.   5 newtons4.   10 newtons

17. The pre-fix Kilo or K as in Kilowatt (KW) means...1.   1002.   10003.   1,000,0004.   10

18. What does the word 'Heliocentric' mean?1.   The sun at the centre2.   The planets in a circle3.   The moon at the centre4.   The Earth at the centre

19. The amount of energy after a transfer will always be1.   less than the amount of energy before2.   more than the energy before3.   equal to the amount of energy before the transfer4.   different to the amount of energy before the transfer

20. If the circuit has a wire which means that the current can bypass a component we call this1.   a long circuit2.   a short circuit3.   a short cut4.   a series circuit

21. What is the weight on Earth of an object whose mass is 30KG1.   3 N2.   30 N3.   300 N4.   150 N

22. An absence of any substance at all is called a 1.   vacuum2.   vacoum3.   vacuume4.   vacume

23. Which scientist worked out that the planets orbit in this way?1.   Tycho Brahe2.   Einstein3.   Johannes Kepler4.   Aristotle

24. If we drop two objects of different weights which would land the first?1.   Impossible to tell2.   The heavy object3.   They would land together4.   The heavy object

25. A steam engine relies on which form of energy to work?1.   Nuclear2.   Thermal3.   Light4.   Sound

26. A satellite which stays over the same place on the earth is in 1.   a stellar orbit2.   a moon orbit3.   a geostationary orbit4.   an earth orbit

27. Which form of energy is stored in a clockwork toy?1.   Nuclear2.   Strain

3.   Chemical 4.   Kinetic

28. Which famous scientist shouted 'EUREKA' whilst in his bath?1.   Einstein2.   Archimedes3.   Aristotle4.   Galileo

29. Which of these is the smallest?1.   galaxy2.   star3.   planet4.   universe

9k: Speeding Up7:11

1. The scientific word for slowing down is 1.   accelerating2.   braking3.   decelerating4.   slowing

2. Which of these is not a unit of speed?1.   cm2.   m/s3.   km/h4.   mph

3. If two forces are equal and opposite we say they are 1.   unbalanced2.   balanced3.   happy4.   unequal

4. When a space shuttle re-enters the Earths atmosphere it gets very hot because1.   the particles in the air bash very hard against the surface which causes friction and heats it

up2.   the speed of the shuttle makes it get hot3.   the air is hotter near space because it is nearer to the sun4.   it doesn't really get hot, it's only like that because of the sunset

5. Acceleration is 1.   the rate at which an object slows down2.   the difference between the thrust and drag3.   the rate at which an object speeds up4.   the size of the force on an object

6. The upthrust is1.   the upward force produced on an object in gases and liquids2.   the effect on objects that are high up3.   the effect that stops objects from lifting up.4.   the way that rockets can escape the Earths atmosphere

7. The result of unbalanced forces is the 1.   push force2.   friction force3.   resultant force4.   gravitational force

8. Which of these is not a unit of time1.   s

2.   min3.   hr4.   m

9. Gravitational force is1.   the force that prevents the Earth from floating off into space2.   the force of repulsion between two objects3.   the force that prevents things from rubbing against each other4.   the force that prevents us from floating off the Earth

10. Another word for air resistance is1.   gravity2.   drag3.   heat4.   streamlining

11. Which of these is not a unit of distance?1.   km2.   s3.   cm4.   m

12. On a speed-time graph what would the line look like if the object was accelerating?1.   Some upward and some downward movement2.   Sloping up wards3.   Flat4.   Sloping downwards

13. How is the friction between a hovercraft and the water reduced?1.   It is oiled around the bottom2.   It sits on a cushion of air3.   The craft has a very powerful engine4.   The craft is very lightweight

14. If the forces on an object are balanced then the objects movement will 1.   remain constant2.   decrease in speed3.   it's impossible to tell4.   increase in speed

15. The distance it takes for a car to slow down is called the 1.   slowing area2.   decelerating distance3.   slowing distance4.   braking distance

16. A parachute is designed to 1.   increase the drag on a skydiver and slow their descent2.   reduce the speed of a skydiver by making them fly upwards when the parachute is pulled3.   decrease the time the skydiver is in the air so they can go up and jump again4.   reduce the drag on a skydiver to allow them to fly better

17. When things move, the air rubs against it. This is called1.   gravity2.   air resistance3.   heat4.   decelerating

18. A lever is a simple1.   force2.   machine3.   load4.   movement

19. Pushes and pulls are all1.   equal

2.   unbalanced3.   friction forces4.   forces

20. Friction is 1.   the force that stops two substances rubbing together2.   the size of forces opposing each other3.   the force when two substances rub together4.   the way forces resist each other

21. If two forces are unbalanced then the object1.   may change its direction and speed depending on how long the forces are applied2.   will change direction or speed3.   will change its direction but not its speed4.   will be unaffected in terms of its direction and speed

22. The scientific word for speeding up is 1.   decelerating2.   fastening3.   accelerating4.   speeding up

23. Forces are balanced when1.   they are unequal2.   they are equal3.   they cancel each other out4.   they are equal but not opposite

24. The pre-fix Kilo or K as in Kilometre (Km) means1.   1002.   10003.   104.   1,000,000

25. Which force slows a falling parachutist?1.   Gravity2.   Air resistance3.   Weight4.   push force

26. In a bridge all the forces must be …………………..if the bridge is to stay standing1.   happy2.   unbalanced3.   unequal4.   balanced

27. Objects which travel through the air easily are said to be 1.   lucky 2.   hot3.   streamlined4.   fast

28. A constant speed on the speed time graph would be shown by1.   a line which goes up and down2.   a line sloping upwards3.   a line sloping downwards4.   a flat line

29. If the thrust on an object is 16N and the drag is 8N what is the resultant force?1.   2N2.   8N3.   24N4.   128N

9L: Pressure and Moments

6:57

1. Air pressure is caused by1.   the air trying to push the surface down2.   the molecules of air reacting with the surface of an object3.   the collisions of millions of tiny molecules with the surface of an object4.   the molecules of air trying to attract each other

2. Moment = 1.   force/distance2.   distance/force3.   force x rotation4.   force x distance

3. We can balance a crane lifting a load using a 1.   counter top2.   counter-weight3.   back weight4.   a top pan balance

4. The turning effect of a force is called a 1.   moment2.   rotation3.   spin 4.   load

5. Weight is a force, it is caused by1.   the pull of gravity2.   the size of an object3.   how streamlined an object is4.   the resistance of the air

6. Pressure =1.   area x force2.   force/area3.   force x area4.   area/force

7. We can use the pressure of liquids to work machines. This is called 1.   hydraulics2.   mechanics3.   molecules4.   pneumatics

8. Energy cannot be created nor destroyed, it can only be ……………………from one form into another

1.   transcended2.   transposed3.   transferred4.   transported

9. A man weighs 600N and the area of both his shoes is 150 cm2. What is the pressure on the ground?1.   4 N/cm22.   750 N/cm23.   0.4 N/cm24.   3 N/cm2

10. In equilibrium1.   the anticlockwise moment > than the clockwise moment2.   the anticlockwise moment = the clockwise moment3.   the anticlockwise moment < than the clockwise moment4.   there is only a clockwise moment

11. When trying to close a door it will be easier if you 1.   push on the edge closest to the hinges

2.   push along the bottom of the door in the middle3.   push on the edge furthest away from the hinges4.   push in the middle of the door

12. Which of these is a unit of volume1.   m22.   mph3.   cm34.   J

13. A long spanner is 1.   easier to use than a short spanner2.   just the same as using a short spanner3.   only harder to use if the nut is wet4.   harder to use than a short spanner

14. Which of the following will create the least pressure1.   pastry cutter2.   camels foot3.   point of a drawing pin4.   edge of a knife

15. Which of the following is not a unit of pressure?1.   Pa2.   N 3.   N/cm24.   N/m2

16. A person is trying to undo the nut on a lorry wheel. Which length of spanner will make life easiest?1.   12cm2.   4cm3.   40cm4.   400cm

17. When we pump up a bicycle tyre the friction caused by the air molecules rubbing against the tyre valve causes

1.   the wheel to bend2.   heat to build up3.   limescale to build up4.   the tyre to wobble

18. Which of the following is a unit of area?1.   mph2.   cm cubed3.   ml4.   square metres

19. If an object is stable then it will have 1.   a low centre of gravity2.   a large span3.   a small base4.   a large mass

20. A lever which makes a small force able to lift a large load is called a 1.   load lifter2.   load magnifier3.   force magnifier4.   distance magnifier

21. A system of ……………can be used to make lifting loads easier1.   levers2.   loads3.   stairs4.   pulleys

22. Which of the following wheel barrows will be the best on soft ground?

1.   Small solid rubber wheel2.   Large, narrow soid rubber wheel3.   Large, wide tyre pumped up but not too hard4.   Very hard tyre with a small area

23. Which of the following shoes would exert the least pressure?1.   High heels2.   Trainers3.   Wellington boots4.   Snow shoes

24. We can use the pressure of gases to work machines. This is called 1.   hydraulics2.   pneumatics3.   molecules4.   mechanics

25. If we apply a load of 20N to a 30cm spanner what will the turning force be?1.   1.5 Nm2.   6 Nm3.   600 Nm4.   15 Nm

26. A large force pressing on a small area gives1.   a greater resistance2.   a low pressure3.   a small resistance4.   a high pressure

27. Energy that is transferred into a from that is not useful is called1.   destroyed energy2.   light energy3.   heat energy4.   wasted energy

28. Levers and pulleys are both simple1.   ideas2.   machines3.   types of energy transfers4.   forces

29. A lever which turns a small movement near the centre to a large movement at the outside is called1.   distance increaser2.   force magnifier3.   distance magnifier4.   movement maker

9m: Investigating scientific questions6:47

1. We measure the volume of water with a1.   voltmeter2.   measuring cylinder3.   top-pan balance4.   ruler

2. Which statement about Bunsen burners is TRUE?1.   The yellow flame is safest because it produces soot2.   The yellow flame is safest because it is more visible3.   The air hole adjusts the size of the flame4.   The blue flame is safest because it makes a sound you can hear

3. The period of a simple pendulum depends on

1.   its length only2.   its length, and the size of the swing (amplitude)3.   its length, and the mass of the bob on the end4.   the size of the swing (amplitude) and the mass of the bob on the end

4. In science, we measure temperature in1.   degrees2.   degrees Fahrenheit3.   degrees Centigrade4.   degrees Celsius

5. Input variables are1.   things that happen because of what we do in the experiment2.   the equipment that we need3.   things that must always be kept constant4.   things that we can change in our experiment

6. When you get into a bath, the water level goes up. This is called1.   displacement2.   flotation3.   upthrust4.   increase

7. The Ancient Greeks1.   discovered electric current2.   knew that the Earth orbits the Sun3.   had many good scientific ideas, but did not test them by experiments4.   had many good scientific ideas, which they tested by experiments

8. When measuring people, which are all "continuous" variables?1.   height, mass, hand span2.   blood group, height, eye colour3.   hair colour, mass, eye colour4.   height, mass, eye colour

9. In Science, time is usually measured in1.   hours2.   light years3.   seconds4.   nanoseconds

10. We measure the temperature of a furnace with a1.   spectrometer2.   measuring cylinder3.   pyrometer4.   thermometer

11. To separate two liquids with different boiling points we could use1.   decantation2.   filtration3.   chromatography4.   distillation

12. Mass is measured in1.   kilograms2.   newtons3.   seconds4.   centimetres cubed

13. using a computer to take measurements for you is called1.   data logging2.   data processing3.   data plotting4.   data output

14. To separate oil and water we could use

1.   chromatography2.   decantation3.   distillation4.   filtration

15. Weight is measured in1.   seconds2.   newtons3.   kilograms4.   centimetres cubed

16. The time it takes for a pendulum to make one complete swing is called1.   the duration of the pendulum2.   the frequency of the pendulum3.   the swing time of the pendulum4.   the period of the pendulum

17. the conclusions for your experiment could begin with1.   "My results show that..."2.   "I am going to find out..."3.   "I predict that when I change , the will change"4.   "I am going to set up the equipment and ..."

18. To heat things over a Bunsen burner, we need1.   the air hole open2.   a yellow flame3.   the air hole closed4.   a green flame

19. We heat water in a1.   boiling tube2.   petri dish3.   liebig condenser4.   Bunsen burner

20. We measure the temperature of water with a1.   measuring cylinder2.   spectrometer3.   thermometer4.   pyrometer

21. pure water freezes at1.   zero degrees Fahrenheit2.   zero degrees Celsius3.   373 degrees Kelvin4.   zero degrees Kelvin

22. Volume is measured in1.   square centimetres2.   centimetres squared3.   centimetres4.   centimetres cubed

23. when plotting a line graph, you should always1.   draw a dot-to-dot line between the points2.   draw a straight best fit line with a ruler3.   draw a line of best fit4.   plot the graph as small as possible, to save paper

24. which of these is TRUE?1.   taking more readings gives more evidence to support your conclusions2.   you should always record readings with as many decimal places as possible3.   it's a waste of time repeating readings4.   it doesn't matter how many readings you take, so long as they're the right ones

25. To separate two dyes we could use

1.   chromatography2.   decantation3.   distillation4.   filtration

26. the evaluation for your experiment could begin with1.   "I predict that when I change , the will change"2.   "I am going to find out..."3.   "My results show that..."4.   "If I did this experiment again, I would ..."

27. Who devised a method of measuring an object's volume by putting it into water?1.   Stephen Hawking2.   Archimedes3.   Democritus4.   Sir Isaac Newton

28. we can measure the mass of a small object using1.   a top pan balance2.   a measuring cylinder3.   a thermometer4.   a voltmeter

29. A gauze is used1.   to stop the lab bench getting hot2.   on a tripod, when heating a beaker3.   to stop the lab bench getting hot4.   to stand a tripod on

30. Output variables are1.   the equipment that we need2.   things that happen because of what we do in the experiment3.   things that must always be kept constant4.   things that we can change in our experiment