Phases of Matter

The process that changes liquid to a gas is called...

• sublimation

• condensation

• evaporation

• melting

Particles move the slowest in a solid.

• true

• false

To change from a gas to a liquid, the temperature (energy) must ...

• increase

• decrease

• stay the same

The liquid that forms on the outside of a glass of iced tea is called...

• condensation

• evaporation

• sublimation

• distribution

Energy must increase for for a solid to change to a liquid.

• true

• false

In what way are liquids different than solids?

• Solid particles move faster than liquid particles.
• Liquids have no defined shape but solids do.
• Solids have a greater mass than liquids.
• Liquid particles never touch but solid particles always do.

A gas

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

At higher temperatures

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

Anything that has mass and volume is know as matter. The amount of space an object takes up is known as _____.

• Weight

• Density

• Volume

• Mass

A phase change from a liquid to a solid is known as _____.

• Melting

• Freezing

• Condensation

• Sublimation

• Evaporation