Phases

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

What state of matter has no definite volume and assumes the shape of its container?

• Solid
• Liquid
• Gas

What must happen to the temperature in order for a solid to form?

• Increase (get warmer)
• decrease (get colder)

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.

Anything that has mass and takes up space is called ______.

• atom
• compound
• matter
• molecule

Liquids and gases are similar because __________________________.

• they both take the shape of their container
• they both have their own shape
• liquids pour and gases don't
• liquids take the shape of the container but gases have their own shape