Heat and Thermal Energy

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). Warm air or liquid rises, while cooler air or liquid sinks, creating a circulation pattern.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. Heat moves from the hotter object to the cooler one.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through, allowing heat to be transferred through space.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of particles in a substance. It is related to temperature and the state of matter.

Front

What happens to air when it is heated?

Back

When air is heated, it expands, becomes less dense, and rises. This process is part of convection.

Front

What is the boiling point of water in degrees Celsius?

Back

The boiling point of water is 100 degrees Celsius.

Front

How does heat flow between objects?

Back

Heat flows from a region of higher temperature to a region of lower temperature.

Front

What is an example of conduction in everyday life?

Back

An example of conduction is when a hot biscuit warms the plate it is on.

Front

What is an example of convection in everyday life?

Back

An example of convection is the warmer air in an attic compared to the cooler air in a basement.

Front

What is an example of radiation in everyday life?

Back

An example of radiation is the heat from the sun warming your skin.