Heat Transfer and Temperature Concepts

Front

Heat transfers from an area of ____ temperature to an area of ___ temperature.

Back

High to low.

Front

On a cold rainy day, a baby is touching a cold window. Which way is the heat moving?

Back

Heat is moving from the hand to the window.

Front

The temperature of a substance increases as ___.

Back

The average kinetic energy of its particles increases.

Front

Which of the following statements about thermal energy is true?

Back

As you hold a cup of hot water, the heat moves to your hand.

Front

Objects will continue to exchange heat until they __.

Back

Are the same temperature.

Front

What is thermal energy?

Back

The total kinetic energy of all particles in a substance.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What happens to particles in a substance as it heats up?

Back

They move faster and spread apart.