Phase Change

The state of matter where particles are very spread out and moving quickly.

• gas

• liquid

• solid

• Helium

The phase change when a solid becomes a liquid.

• freezing

• sublimation

• melting

• condensation

As heat energy increases, temperature...

• increases

• decreases

• remains the same

• varies

The phase change when a gas becomes a liquid.

• condensation

• evaporation

• deposition

• sublimation

The phase change when a liquid becomes a gas.

• melting

• boiling

• sublimation

• evaporation

The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?

• Sublimation: A solid turning into a gas.
• Condensation: A gas changing to a liquid.
• Evaporation: A liquid changing to a gas.
• Deposition: A gas changing to a solid.

What phase of matter is shown in the diagram?

• solid
• liquid
• gas
• physical changes

When particles lose energy and change from a gas to a liquid it is called ...........

• condensation
• melting
• evaporation
• dissolving

When a particle changes from a solid to a liquid to a gas it is _______________.

• gaining energy
• losing energy
• maintaining energy
• expressing no energy

Bonds are the strongest within this phase.

• solid
• liquid
• gas
• polimers