Thermal Equilibrium TEK 6.9B

Front

Heat always moves from _____________ to ______________.

Back

hot; cold

Front

What happens when a cold spoon is left in a hot bowl of oatmeal after an hour?

Back

The spoon and the oatmeal become the same temperature.

Front

The condition where two substances in physical contact with each other exchange no heat energy is called _____________.

Back

Thermal Equilibrium

Front

What is the transfer of thermal energy in a liquid or gas where the warmer substance rises and the cooler substance sinks?

Back

Convection

Front

After taking a hot shower, why does the tile floor feel cold to James' feet?

Back

Heat from his feet is transferred to the tile floor.

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.

Front

Define conduction.

Back

The transfer of heat through direct contact between materials.

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What is the main principle of thermal equilibrium?

Back

Two objects in thermal contact will reach the same temperature.

Front

What happens to the temperature of a hot object when it is placed in contact with a cold object?

Back

The hot object loses heat and cools down.