Sci. 6.4 c-d Review

Front

What type of energy conversion occurs when a fan is spinning?

Back

Electrical to mechanical.

Front

How does Earth receive energy from its interior?

Back

Convection.

Front

What happens to molecules when they are heated?

Back

They move faster and further apart, reducing their density and causing them to rise.

Front

What is the process called when water boils in a pot?

Back

Convection.

Front

What type of heat transfer occurs when a pot touches the flame of a hot stove?

Back

Conduction.

Front

Define conduction.

Back

The transfer of heat through direct contact between materials.

Front

Define convection.

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

Define radiation.

Back

The transfer of heat through electromagnetic waves without the need for a medium.

Front

What is an example of conduction in everyday life?

Back

Touching a hot metal spoon.

Front

What is an example of convection in everyday life?

Back

Boiling water in a pot.