Big Idea 11: Heat Energy

Front

What happens to heat energy when an ice cube is placed in a warmer liquid?

Back

Heat moves from the warmer substance to the ice until both objects are the same temperature.

Front

Why do Ms. Chloupek's feet burn on concrete but not in water?

Back

Different substances conduct heat at different rates.

Front

What is the purpose of an insulator?

Back

To slow or stop energy transfer.

Front

Which material is best for cooking candy bars in an oven?

Back

Aluminum, because it conducts heat effectively.

Front

What type of cup is best for keeping a drink cold?

Back

Foam, as it is a good insulator.

Front

What is heat energy?

Back

Heat energy is the energy that comes from the temperature of matter.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

Radiation is the transfer of heat through electromagnetic waves, such as sunlight.

Front

What is a conductor?

Back

A conductor is a material that allows heat to pass through easily.