Physical Science Unit 5 Review

Front

True or false? Energy can change forms.

Back

True

Front

According to the kinetic theory, what happens when ice (a solid) melts into liquid water?

Back

The water molecules gain heat energy.

Front

Which does NOT require a solid, liquid, or gas to travel through?

Back

Radiation.

Front

How does heat move?

Back

From the warmer thing to the cooler thing.

Front

Conduction is the movement of heat molecules because of the collision of ______.

Back

Molecules.

Front

What is the definition of conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

The transfer of energy through electromagnetic waves, which can occur in a vacuum.

Front

What happens to the temperature of a substance when it absorbs heat?

Back

The temperature increases.

Front

What is thermal equilibrium?

Back

The state in which two objects in contact with each other reach the same temperature.