Thermal Energy- 4th Grade

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

Front

What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids and gases).

Front

What is radiation?

Back

Radiation is the transfer of thermal energy through electromagnetic waves, such as sunlight.

Front

How does thermal energy travel from the sun to the Earth?

Back

Thermal energy from the sun travels to the Earth by radiation.

Front

What happens to a spoon in hot soup?

Back

The thermal energy from the hot soup travels to the spoon by conduction, making it hot.

Front

What is an example of conduction?

Back

An example of conduction is when a metal spoon gets hot after being placed in a pot of hot soup.

Front

What is an example of convection?

Back

An example of convection is warm air rising and cool air sinking, creating a breeze.

Front

What is an example of radiation?

Back

An example of radiation is feeling the warmth of the sun on your skin.

Front

Why does sand feel hot on a sunny day?

Back

The sand absorbs thermal energy from the sun through radiation.