Amplify Phase Change Review

Front

What is the freedom of movement in liquids?

Back

Molecules move around, not away from each other.

Front

How can scientists cause a phase change in a substance?

Back

By transferring energy INTO the substance.

Front

What happens to a substance when energy is added?

Back

It can change from a liquid to a gas.

Front

How does thermal energy vary among solids, liquids, and gases?

Back

Solid has less energy than liquid, which has less energy than gas.

Front

Do molecules in a solid move?

Back

No, they only vibrate in place.

Front

What happens to water molecules when the temperature increases?

Back

The molecules start moving faster.

Front

What is the state of matter where molecules are tightly packed and vibrate in place?

Back

Solid.

Front

What is the state of matter where molecules are close together but can move around each other?

Back

Liquid.

Front

What is the state of matter where molecules are far apart and move freely?

Back

Gas.

Front

What is a phase change?

Back

A transition of a substance from one state of matter to another.