Unit 2: Matter

A gas

• has a definite shape but no definite volume

• has a definite volume but no definite shape

• has no definite shape and no definite volume.

Boiling

• liquid to gas

• gas to solid

• gas to liquid

• solid to liquid

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

Define a liquid.

• Indefinite shape, indefinite volume

• Definite shape, definite volume

• Definite volume, indefinite shape

What term describes a solid changing to a gas?

• Deposition
• Sublimation
• Evaporation
• Freezing

What is condensation?

• gas to solid
• gas to liquid
• liquid to solid 
• solid to liquid 

The speed of the molecules determines the _____.

• volume
• density
• pressure
• temperature

What does this picture represent? 

• solid
• liquid 
• gas
• plasma

Which of the following statements is NOT true of all different types of matter?

• They are made of atoms and molecules
• The particles are always in motion
• The particles always move at the same speed
• They are made of particles that are too small to see

Anything that has mass and takes up space is known as

• Toys

• Liquids

• Matter

• Space