objective 1 which piece of equipment should be used to precisely measure 40.0 ml of a dilute sodium...
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OBJECTIVE 1
• Which piece of equipment should be used to precisely measure 40.0 mL of a dilute sodium hydroxide solution?
OBJECTIVE 1
• Which piece of equipment should be used to precisely measure 40.0 mL of a dilute sodium hydroxide solution?
OBJ 1Which of these would provide the
best scientific support for the information on the label?
A) Data that indicate the gender and average age of consumers
B) A survey showing that many people prefer pearl calcium
C )Records that show few requests for money back
D) A controlled study showing the effectiveness of pearl calcium
OBJ 1Which of these would provide the
best scientific support for the information on the label?
A) Data that indicate the gender and average age of consumers
B) A survey showing that many people prefer pearl calcium
C )Records that show few requests for money back
D) A controlled study showing the effectiveness of pearl calcium
OBJ 1• The chart shows the results of a conservation-
of-mass experiment. The most accurate trial for this experiment was —
F) Trial 1G) Trial 2H) Trial 3J) Trial 4
OBJ 1• The chart shows the results of a conservation-
of-mass experiment. The most accurate trial for this experiment was — 32 + 24 = 56
F) Trial 1G) Trial 2H) Trial 3J) Trial 4
OBJ 1
• What inference could best be supported by the data?
OBJ 1
• What inference could best be supported by the data?
WASH HANDS =ABSENT LESS
OBJ 1• Which step in the
production of portland cement causes a chemical change?
A) WB) XC) YD) Z
OBJ 1• Which step in the
production of portland cement causes a chemical change?
A) WB) XC) YD) Z
OBJ 1
• WHAT PATTERN IS HERE?
OBJ 1
• WHAT PATTERN IS HERE?
OBJ 2The diagram above shows chromosomes in acell undergoing cell division. If one of the chromosomes breaks during this process, which of the following will most likelyhappen?A) Mutation B) SelectionC) DuplicationD) Segregation
OBJ 2The diagram above shows chromosomes in acell undergoing cell division. If one of the chromosomes breaks during this process, which of the following will most likelyhappen?A) Mutation B) SelectionC) DuplicationD) Segregation
OBJ 2What process is shown?A) Cellular ingestionB) Pseudopod
formationC) Cell wall digestionD) Binary fission
OBJ 2What process is shown?A) Cellular ingestionB) Pseudopod
formationC) Cell wall digestionD) Binary fission
OBJ 2 The diagram above shows
how an mRNA molecule is synthesized. What would be the most likely result if a bacterial infection stopped the production of the RNA polymerase?
OBJ 2 The diagram above shows
how an mRNA molecule is synthesized. What would be the most likely result if a bacterial infection stopped the production of the RNA polymerase?
Ribosome needs to know what protein to be manufactured
OBJ 2
Red marrow is the principal tissue thatproduces red blood cells in humans. In whichbody system is red marrow found?F) Integumentary systemG )Respiratory systemH) Nervous systemJ) Skeletal system
OBJ 2
Red marrow is the principal tissue thatproduces red blood cells in humans. In whichbody system is red marrow found?F) Integumentary systemG )Respiratory systemH) Nervous systemJ) Skeletal system
Obj 2
Which of the following is a change that couldbe passed on to an organism’s offspring?
Obj 2
Which of the following is a change that couldbe passed on to an organism’s offspring?
DNA to the DNA of the gamete cell
OBJ 2Which kingdom does this organism belong to?A) FungiB) Archaebacteria C) PlantaeD) Animalia
OBJ 2Which kingdom does this organism belong to?
OBJ 3Cows and other ruminants are herbivorous animals.
Their diet includes cellulose, which must be fermented before it can be digested. Which of these aid in the fermentation of cellulose in a cow’s digestive system?
F) BacteriaG) FungiH) AlgaeJ) Viruses
OBJ 3Cows and other ruminants are herbivorous animals.
Their diet includes cellulose, which must be fermented before it can be digested. Which of these aid in the fermentation of cellulose in a cow’s digestive system?
F) BacteriaG) FungiH) AlgaeJ) Viruses
OBJ 3Plant leaves have a waxy covering called acuticle. When some plants are stressed by lackof water, their cuticle increases in thickness.What does this action demonstrate?A) Alternation of generations in plantsB) Structural response to the environmentC) Differentiation of vascular tissue in plantsD) Genetic mutation induced by the
environment
OBJ 3Plant leaves have a waxy covering called acuticle. When some plants are stressed by lackof water, their cuticle increases in thickness.What does this action demonstrate?A) Alternation of generations in plantsB) Structural response to the environmentC) Differentiation of vascular tissue in plantsD) Genetic mutation induced by the
environment
OBJ 1WHAT WILL most likely to cause a
widespread influenza outbreak?
OBJ 1WHAT WILL most likely to cause a
widespread influenza outbreak?
People lack immunity to a new strain offlu virus.
OBJ 3Birds and reptiles are similar in that they arevertebrates and lay eggs. They differ in thatreptiles have teeth and birds have beaks.Some birds do possess teeth. However, theseteeth are present only in the embryonic stage.Which conclusion is best supported by thepresence of teeth in bird embryos?
OBJ 3Birds and reptiles are similar in that they arevertebrates and lay eggs. They differ in thatreptiles have teeth and birds have beaks.Some birds do possess teeth. However, theseteeth are present only in the embryonic stage.Which conclusion is best supported by thepresence of teeth in bird embryos? WHEN
SOMETHING SHOWS UP AT THE EMBRYONIC STAGE THERE LIKELY WAS AN ANCESTOR THAT HAD It.
OBJ 3
• The model shows a demonstration a student prepared using black and white marbles to show how populations of organisms can change. Which of the following concepts is illustrated?
OBJ 3
• The model shows a demonstration a student prepared using black and white marbles to show how populations of organisms can change. Which of the following concepts is illustrated? NATURAL SELECTION/GENETIC DRIFT
OBJ 4The model above shows how an unidentifiedelement, X, forms covalent bonds with oxygen.In which group on the periodic table doesElement X most likely belong?F) Group 6G) Group 12H) Group 14J) Group 18
OBJ 4The model above shows how an unidentifiedelement, X, forms covalent bonds with oxygen.In which group on the periodic table doesElement X most likely belong?F) Group 6G) Group 12 H) Group 14J) Group 18
OBJ 4
• Copper (Cu) and sulfur (S) were heated in a covered container. After the reaction was complete, the unreacted sulfur was removed. The table contains the results of the investigation. How much sulfur, in grams,
failed to react with the copper?
OBJ 4
• How much sulfur, in grams, failed to react with the copper?
REACTANT + REACTANT = PRODUCT 3.17 2.93 = 4.78 +UNREACTED SULFUR 6.1 g = 4.78 +UNREACTED SULFUR
6.1 g = 4.78 + 1.32
OBJ 4Which of the following describes a chemical
change ?F) Limestone combined with an acid produces gas G) Solid carbon dioxide becomes a gas at room
temperature.H) Limestone combined with sand results in a
mixture.J) Diluting an acid with water produces a solution.
OBJ 4Which of the following describes a chemical
change ?F) Limestone combined with an acid produces gas G) Solid carbon dioxide becomes a gas at room
temperature. H) Limestone combined with sand results in a
mixture.J) Diluting an acid with water produces a solution.
OBJ 4
• Which one represents the Noble Gases?
OBJ 4
• Which one represents the Noble Gases?
• B
OBJ 4
• Which one shows the location of elements that require the least energy to lose an electron?
OBJ 4
• Which one shows the location of elements that require the least energy to lose an electron?
• A (Group 1)
OBJ 4
• Which one shows the location of elements that are neutral (have no charge)?
OBJ 4
• Which one shows the location of elements that are neutral (have no charge)?
• A (Group 18)• Noble Gases are
Neutral
OBJ 4
• Which one shows the location of elements that are have 1 valence electron?
OBJ 4
• Which one shows the location of elements that are have 1 valence electron?
OBJ 4
• Which one shows the location of elements that have ions with a………. (+1 charge)
OBJ 4
• Which one shows the location of elements that have ions with a………. (+1 charge)
OBJ 4
The graph shows the concentration of ions
found in the water of the Dead Sea. Which
property of water is responsible for the
dissociation of salts that produces the ion
concentrations shown?
OBJ 4 The graph shows the
concentration of ions found in the water of the
Dead Sea. Which property of water is
responsible for the dissociation of salts that
produces the ion concentrations shown? WATER QUESTIONS =
USUALLY POLAR
OBJ 5One economic benefit of using rechargeablebatteries instead of disposable batteries isthat rechargeable batteries —F) are cheaper to manufactureG) can be packaged in small containersH) can be used many timesJ) generate their own electricity
OBJ 5One economic benefit of using rechargeablebatteries instead of disposable batteries isthat rechargeable batteries —F) are cheaper to manufactureG) can be packaged in small containersH) can be used many timesJ) generate their own electricity
OBJ 5
Same 10 N BLOCK According to these
data, the pressure of the block is a measure of the block’s —
OBJ 5
Same 10 N BLOCK According to these
data, the pressure of the block is a measure of the block’s —
weight distributed over
an area
OBJ 5Electric power plants that burn fossil fuelsgenerate billions of tons of carbon dioxide andother gases. How might replacing these powerplants with solar cells affect the environment?
OBJ 5Electric power plants that burn fossil fuelsgenerate billions of tons of carbon dioxide andother gases. How might replacing these powerplants with solar cells affect the environment?
The amount of released gases that trapatmospheric heat might be reduced (POLLUTION
= EARTH WARM UP BECAUSE HEAT TRAPPED)
OBJ 5A woman lifts a 57-newton weight a distanceof 40 centimeters each time she does aparticular exercise. It takes her 0.60 secondto lift the weight. How much power does shesupply for lifting the weight one time?
OBJ 5A woman lifts a 57-newton weight a distanceof 40 centimeters each time she does aparticular exercise. It takes her 0.60 secondto lift the weight. How much power does shesupply for lifting the weight one time?
………………………………………….DO WE HAVE WORK?.DO WE HAVE WORK?
OBJ 5A woman lifts a 57-newton weight a distanceof 40 centimeters each time she does aparticular exercise. It takes her 0.60 secondto lift the weight. How much power does shesupply for lifting the weight one time?
They may not give you something, but YOU CAN calculate it
OBJ 5A woman lifts a 57-newton weight a distanceof 40 centimeters each time she does aparticular exercise. It takes her 0.60 secondto lift the weight. How much power does shesupply for lifting the weight one time?
They may not give you something, but YOU CAN calculate it