Unit 1 - Measurements and Matter

Anything that has mass and takes up space is _________.

• solid
• liquid
• gas
• matter

What is the name of the phase change when a gas becomes a liquid?

• melting
• condensation
• freezing
• evaporation

What phase of matter has a definite volume and but not a definite shape?

• solid
• liquid
• gas
• plasma

Which state of matter will hold its shape without a container?

• Solid
• Liquid
• Gas
• Plasma

The change of a substance from a solid directly to a gas is called

• condensation
• evaporation
• melting
• sublimation

All matter is made of atoms and molecules that are

• always fixed in position
• always in motion
• moving in the same direction
• moving slowly

The temperature at which a substance changes from a liquid to a solid is the

• freezing point
• saturation point
• boiling point
• condensation point

Which of these properties is shared by solids, liquids, and gases?

• They expand to fill their containers
• Their particles are in constant motion
• They are easily compressible
• They are fluids

The process of a liquid becoming a solid is called

• condensation
• freezing  
• melting
• evaporation 

A gas becomes a liquid through a process called

• melting
• freeing
• evaporation
• condensation