matter is anything that has volume and mass. the volume of the liquid is measured by graduated...
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Matter is anything that has volume and mass.
The volume of the liquid is measured by graduated cylinders
When you measure the volume of liquid remember to look at the meniscus
Mass: amount of matter in an object Volume: amount of spacean object occupies
What is matter? Essential Question: What are the
differences between the four states of matter?
What are the four states of matter?
They have definite shape and volume Particles are pact Particles vibrate in place
Describe solids
Liquids take the shape of the container
Liquids have definite volumeParticles slide past each other Particles are not packed; they are spaced
out.
Describe liquids
Gas changes their shape; indefinite shape
Gas changes their volume; indefinite volume
Particles are extremely far away from each other; particles move freely
Describe gas
Plasma conducts electricitySame properties as gas
Describe plasma
Topic: Describing MatterEssential Question: Give different examples of
chemical and physical changes
Physical PropertiesCan be observed or
measured without changing the identity of the matter.
Chemical propertiesThe ability of the
substance to change into a new substance with different properties.
Thermal conductivity
Changes of states of matter
What are some Physical Properties?
Ductility:The ability to be drawn into Wires.
Malleability:The ability to be poundedinto thin sheets.
Density:Mass/volume g/cm3
Solubility: sugar dissolvesin water. Sugar is the solute, water is the solvent
Chemical properties The ability of the
substance to change into a new substance with different properties.
Ex: wood burning and changing into ash and smoke
Ability to burn: Flamability
Physical changes Freezing water for ice
cubes Sanding a piece of
wood
Bending a paper clip Mixing oil and vinegar Crushing an aluminum
can Cutting your hair
Let’s Review
Match each physical property in column B to the correct phrase in column A
Column A Column B
____ sand does not dissolve in water
a. State
____ gold can be made into gold foil; thin sheets
b. Thermal conductivity
____ ice is the solid form of water.
c. Solubility
____ copper can be drawn out into wire.
d. Density
____ a foam cup protects your hand from being burned by the hot chocolate the cup contains.
e. Ductility
____ ice cubes float in a glass of water.
f. malleability
Put a check mark in the appropriate column to indicate a physical or a chemical property.
Property Physical property Chemical property
Red color
Melting point
Flammability
Reacts with acid
Odor
Reacts with water
Density
Put a check mark in the appropriate column to indicate a chemical or physical change
Change Physical change Chemical change
Water boiling
Iron rusting
Baking soda reacting with vinegar
Sharpening a pencil
Alka-seltzer reacting with water
Paper burning
Tearing paper
Which of the following represents ONLY physical propertiesa. flammable- dense, malleableb. malleable, reactive, densec. powdery, dense, redd. clear, grainy , flammable
It is a pure substance that cannot be separated into simpler substance by physical or chemical means.
Each element has it own atomic number (# OF PROTONS)
Element
When a new substance is formed Examples : Sour milk, effervescent tablets,
and the Statue of Liberty
Clues to chemical changes: Color changeFizzing or foamingHeatProduction of sound, light, or odor
Chemical change:
Two or more elements combined chemically together. Compounds can only be separated by chemical means.
Compound
Two or more elements combined physically together. They can be separated by physical means only.
Mixture:
Similarities between Compound and mixturesMade out of two or more elements
Compounds cannot be separated by physical change while mixtures can.
Compounds do not retain the identity of their combined elements, while mixtures do.
Compounds must have certain ratio ( H2O)
While mixtures can be formed by any ratio
( Pizza, you can add and take out things to it)
Differences between compounds and mixtures:
Two types of mixture
Can tell what the mixture is made out of
Cannot tell what the mixture is made out of
Heterogeneous mixture
homogeneous mixture
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