Matter - States, Changes and Properties

What are the three phases of matter?

• Freezing, Melting, Evaporating

• Solid, Liquid, Gas

• Condensation, Evaporation, Transpiration

• Cumulus, Stratus, Cirrus

Give an example of a physical change.

Give an example of a chemical change.

Lisa puts a hot pocket in the microwave and accidentally sets the time for 30 minutes instead of 3. The hot pocket catches fire in the microwave. What evidence will there be of a chemical change?

What state of matter?

• Solid

• Liquid

• Gas

Removing energy (cooling) causes the atoms to

• spread apart

• move closer together

• get larger

• get smaller

Phase refers to

• The temperature of a substance

• amount of energy a substance has

• particles that make up a substance

• the state of a substance

Answer explanation

Phase refers to the state of a substance. It describes whether a substance is solid, liquid, or gas.

The temperature at which liquid will turn into a gas is the ___

• freezing point

• evaporation

• condensation

• boiling point

My particles constantly flow past one another. I am a ___

• gas

• liquid

• solid

• solution

The point at which a liquid will become a solid is the _____