Front

A forceful impact when energy is transferred from one object to another

Back

collision

Front

A meeting or touching of surfaces

Back

contact

Front

The flow of electrical energy through a circuit

Back

electric current

Front

What is needed to do work or cause change?

Back

energy

Front

The movement of energy from one object or material to another or from one form to another

Back

energy transfer

Front

A push or pull that causes an object to move, stop, or change direction

Back

force

Front

Energy that causes a change in temperature of materials

Back

heat energy

Front

Energy that allows us to see

Back

light energy

Front

How an object moves from one place to another

Back

motion

Front

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

Back

sound energy