5.6A Uses of Energy

Front

What is energy?

Back

What is needed to do work or cause change.

Front

What is mechanical energy?

Back

Energy produced by a machine or moving parts.

Front

What is thermal energy?

Back

Energy that can be measured by a thermometer.

Front

What is kinetic energy?

Back

Energy of motion possessed by an object.

Front

What does opaque mean?

Back

Impossible to see through; preventing the passage of light.

Front

What is potential energy?

Back

Stored energy that has the potential to do work.

Front

What is electrical energy?

Back

Energy caused by the movement of electrons.

Front

What is sound energy?

Back

Energy that travels as waves through the air or water and vibrates the eardrum.

Front

What is light energy?

Back

Energy that our eyes can detect.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.