| A | B |
|---|
| mechanical energy | energy of an object due to motion |
| thermal energy | type of energy of moving molecules |
| electromagnetic energy | energy in forms of waves; light |
| electrical energy | energy carried by moving electrons along a circuit |
| chemical energy | energy stored in chemical bonds and are rearranged |
| inexhaustible resource | resource that exists in a large supply/limitless |
| fossil fuel | energy rich from remains of plants/animals millions of years ago |
| hydroelectric power | electricity produced by flowing water |
| energy transformation | energy changes from 1 source into another |
| energy conservation | reduce energy use; save resource |
| geothermal energy | heat from inside the earth/volcanoes |
| nuclear fission | the nucleus splits to release energy |
| nuclear fusion | nucleus joins another nucleus to release energy |
| solar power | sun energy is changed into electricity/solar cells |
| wind power | moving air; turns windmills to produce electricity |
