| A | B |
|---|
| ENERGY | THE ABILITY TO DO WORK |
| KINETIC ENERGY | THE ENERGY OF MOTION AND DEPENDS ON SPEED AND MASS |
| POTENTIAL ENERGY | THE ENERGY OF POSITION OR SHAPE |
| MECHANICAL ENERGY | THE TOTAL ENERGY OF MOTION AND POSITION OF AN OBJECT |
| ENERGY CONVERSION | A CHANGE FROM ONE FORM OF ENERGY INTO ANOTHER |
| FRICTION | A FORCE THAT OPPOSES MOTION BETWEEN TWO SURFACES THAT ARE TOUCHING |
| LAW OF CONSERVATION OF ENERGY | THE LAW THAT STATES THAT ENERGY IS NEITHER CREATED NOR DESTROYED |
| ENERGY RESOURCE | A NATURAL RESOURCE THAT CAN BE CONVERTED BY HUMANS INTO OTHER FORMS OF ENERGY IN ORDER TO DO USEFUL WORK |
| NONRENEWABLE RESOURCES | NATURAL RESOURCES THAT CANNOT BE REPLACED OR THAT CAN BE REPLACED ONLY OVER THOUSANDS OR MILLIONS OF YEARS. |
| FOSSIL FUELS | NONRENWABLE ENERGY RESOURCES THAT FORM IN THE EARTH'S CRUST OVER MILLION OF YEARS FROM BURIED REMAINS OF ONCE LIVING ORGANISM |
| RENEWABLE RESOURCES | NATURAL RESOURCES THAT CAN BE USED AND REPLACED OVER A RELATIVELY SHORT TIME. |
