P.2 Phase Change Unit Test 2024-25

Front

What describes the way molecules in a substance move around relative to each other?

Back

Freedom of Movement.

Front

What happens when we transfer energy into a substance?

Back

Kinetic energy and temperature increase.

Front

What overcomes kinetic energy when energy is transferred out of a substance?

Back

Molecular attraction.

Front

How do molecules in a gas compare to those in a liquid?

Back

Molecules in a gas move faster and are more spread out than in a liquid.

Front

Are the steel molecules in Jose's go cart always moving?

Back

Yes, they are always moving.

Front

What is kinetic energy?

Back

The energy that an object possesses due to its motion.

Front

What is potential energy?

Back

The stored energy in an object due to its position or arrangement.

Front

What is the phase of a substance?

Back

The distinct form that different phases of matter take on, such as solid, liquid, or gas.

Front

What happens to the freedom of movement of molecules when energy is removed from a substance?

Back

The freedom of movement decreases.

Front

What is the relationship between temperature and kinetic energy?

Back

As temperature increases, kinetic energy increases.