Thermal Energy

Front

What form of energy causes water to boil?

Back

Thermal energy is the form of energy that causes water to boil.

Front

What is the process of heat transfer in wind called?

Back

Convection is the process of heat transfer in wind.

Front

Temperature measures the ___________ movement of molecules.

Back

Temperature always measures the average movement of molecules.

Front

When a baby touches a cold window, which way is the heat moving?

Back

Heat is moving from the hand to the window.

Front

Which ice cube will melt first: a large cube or a small cube?

Back

The small cube will melt first.

Front

What is thermal energy?

Back

Thermal energy is the total energy of all the particles in an object, related to temperature.

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 happens to the molecules in a substance when it is heated?

Back

When a substance is heated, its molecules move faster and spread apart.