| A | B |
|---|
| energy | ability to do work |
| mechanical | energy provided by machines |
| chemical | energy provided by the breaking or forming of chemical bonds |
| solar | energy provided by the sun |
| electric | energy of moving electrons |
| nuclear | energy provided by splitting or fusing atoms |
| geothermal | energy provided by the heat inside the earth |
| thermal | energy provided by the speed of atoms |
| renewable | energy that can be replaced |
| non-renewable | energy that once it is used up can't be replaced |
| potential | stored energy |
| kinetic | energy in motion |
| transformation | changing from one form of energy into another form |
| efficiency | measure of output divided by input |
| work | an applied force moving an object |
| joule | metric unit to measure energy |
| sound | vibrational energy |
| radiant | electromagnetic wave energy |
| infiltration | seeping of water into the ground |
