Unit Test review

Front

Heat transfers from areas of _______________ temperature to areas of lower temperature.

Back

Higher

Front

What happens to the balloon when warm hands grasp a cold bottle with a balloon attached?

Back

The hands warmed the air that rose up into the bottle.

Front

The heat deep within the earth rises due to?

Back

Convection

Front

What causes plate tectonics to move towards, away, or against each other?

Back

Convection currents and sea floor spreading.

Front

Ice is added to warm tea. What is this an example of?

Back

Equilibrium.

Front

Define convection.

Back

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

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

Explain radiation in terms of heat transfer.

Back

The transfer of heat through electromagnetic waves without the need for a medium.

Front

What is thermal equilibrium?

Back

A state where two objects in contact reach the same temperature.

Front

What are convection currents?

Back

Movement in a fluid caused by the rise of warmer, less dense fluid and the sinking of cooler, denser fluid.