Topic 4: Thermal Energy

Front

What is thermal energy?

Back

The total energy (both kinetic and potential) of all the particles in an object.

Front

What is conduction?

Back

Transfer of energy from one particle of matter to another that are in direct contact.

Front

What is convection?

Back

A type of heat transfer that occurs through the movement of fluids or gas.

Front

What is radiation?

Back

Transfer of energy by electromagnetic waves.

Front

What happens to materials when they are heated?

Back

Most materials expand when heated due to an increase in energy.

Front

What is specific heat?

Back

The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius.

Front

How does thermal expansion affect objects?

Back

Objects expand when heated and contract when cooled, affecting their fit and function.

Front

What is the relationship between temperature and thermal energy?

Back

Temperature is a measure of the average energy of the particles in an object, while thermal energy is the total energy of all particles.

Front

What is an example of conduction in everyday life?

Back

Touching a hot stove and feeling the heat transfer to your hand.

Front

What is an example of convection in everyday life?

Back

Boiling water where hot water rises and cooler water sinks.