PSCH16ThermalEnergy

Front

What happens when two objects are at the same temperature?

Back

Their molecules move at the same average speed.

Front

Which of the following is an insulator?

Back

Air.

Front

What is the method of heat transfer when the sun warms your skin?

Back

Radiation.

Front

What causes chocolate to melt in your hand?

Back

The thermal energy lost by your hand is equal to the thermal energy gained by the chocolate bar.

Front

Which block will increase in temperature most rapidly when exposed to light?

Back

Block 4.

Front

Define thermal energy.

Back

Thermal energy is the total kinetic energy of the particles in a substance.

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 in the form of electromagnetic waves.

Front

What is an example of a good conductor of heat?

Back

Metal.