Energy Vocab

Front

Law of Conservation of Energy

Back

Energy cannot be created or destroyed; it can only change form or move from one object to another.

Front

Work

Back

Using a force to move an object a certain distance in the same direction as the force.

Front

Power

Back

How quickly work is done (work divided by time).

Front

Simple Machine

Back

A basic tool that changes the size or direction of a force to make work easier (like a lever, pulley, or inclined plane).

Front

Efficiency

Back

A measure of how much useful work a machine does compared to the total energy put into it, expressed as a percentage.

Front

Energy

Back

The ability to cause change or do work.

Front

Kinetic Energy

Back

The energy an object has because it is moving.

Front

Potential Energy

Back

Stored energy an object has because of its position or condition.