Unit 2: States of Matter

Matter that has its own shape and takes up space.

• solid
• liquid
• gas

Molecules are closest together in a 

• Solid
• Liquid
• Gas
• plasma

What term describes a liquid changing to a solid?

• Deposition
• Sublimation
• Evaporation
• Freezing

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

___________ is anything that has mass and takes up space.

• Molecules

• Matter

• Volume

________ is the amount of space an object takes up.

• Mass

• Matter

• Volume

Which state of matter does not have a definite shape but does have a definite volume?

• Solid

• Liquid

• Gas

What is the process called when a gas turns into a liquid?

• Condensation

• Melting

• Freezing

• Evaporation

What is the process called when a solid changes to a liquid?

• Freezing

• Evaporation

• Melting

• Condensation