Thermal Energy, Heat and Temperature

Front

What happens to the average kinetic energy of particles in a substance when its temperature increases?

Back

The average kinetic energy of its particles increases.

Front

What is the term for a measure of the average kinetic energy of the individual particles in an object?

Back

Temperature.

Front

What is the process called when a liquid changes to a solid?

Back

Freezing.

Front

In heat transfer, from which type of object does heat always move to which type of object?

Back

Heat always moves from the hotter object to the colder object.

Front

What instrument is used to measure temperature?

Back

Thermometer.

Front

What is thermal energy?

Back

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

Front

What is the difference between heat and temperature?

Back

Heat is the transfer of thermal energy, while temperature is a measure of the average kinetic energy of particles.

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 or gases).

Front

What is radiation?

Back

Radiation is the transfer of heat through electromagnetic waves.