Describing Matter

Describing Matter

Look for the BLUE TEXT to know what to fill in on your notes sheets.

Multiple Choice

A change from a liquid to a gas is called _____.

• freezing

• melting

• condensation

• vaporization

Multiple Choice

The freezing point of water is ____.

• 32^oC

• 0^oC

• 100^oC

• 0^oF

Multiple Choice

A change from a liquid to a solid requires a(n) ______ in the thermal energy of the particles.

• increase

• decrease

Multiple Choice

The boiling point of water is _____.

• 100^oC

• 32^oF

• 0^oC

• 100^oF

Multiple Choice

A change from a gas to a liquid is called _____.

• vaporization

• melting

• condensation

• freezing

Multiple Choice

TRUE or FALSE: With a physical change, there is no change in the identity of the substance.

• True

• False

Multiple Choice

Which of the following is an example of a chemical property?

• texture

• solubility

• flammability

• volume

Multiple Choice

TRUE or FALSE: With a chemical change, one substance changes into another substance that was not present before.

• True

• False

Multiple Choice

Which of the following is NOT an example of a physical change?

• chopping wood

• rotting food

• breaking a pencil

• cutting paper

Multiple Choice

TRUE or FALSE: The Law of Conservation of Mass says that the mass of all substances before a chemical change is not the same as the mass of the substances after a chemical change.

• True

• False