7th Grade Phase Change Review Amplify

Front

The way molecules in a substance move around relative to each other

Back

Freedom of Movement

Front

The energy that an object has because it is moving

Back

Kinetic Energy

Front

A pull between two molecules that is always the same for a substance

Back

Molecular Attraction

Front

A noticeably different form or state of the same substance

Back

Phase

Front

To provide evidence that goes against a claim

Back

Refute

Front

Which food changed phase after energy was transferred out, and how did it change?

Back

The sweet food changed because the strong attraction between molecules made their movement slower. Its molecules now move in place.

Front

What happened to the water molecules when the water changed from liquid to solid?

Back

Before the student left, the molecules were moving around each other. After, the molecules were moving in place.

Front

Lily is doing a science experiment with a substance in a sealed jar. At first, the substance’s molecules are moving in place. What will happen to Lily’s substance if she transfers energy into the substance and causes a phase change? After the phase change, the substance’s molecules will move . . .

Back

faster, and the substance will be a liquid.

Front

What happens to molecules when their kinetic energy decreases?

Back

They move slower.

Front

When are the steel molecules in Jose's go cart moving?

Back

always moving.