| A | B |
| potential | stored energy |
| kinetic | energy of movement |
| heat | wasted energy |
| coal | a fossil fuel |
| sound | energy caused by vibrating air |
| electricity | produced in a power station |
| sun | the scource of Earth's energy |
| atomic | energy stored in atoms |
| chemical | energy stored in petrol |
| elastic | energy in a blown up balloon |
| light | another energy from the sun |
| gravitational | a stone at the top of a hill has it |
| nuclear | a modern form of energy production |
| black | a colour that absorps heat |
| white | a colour that reflects heat |
| thermometer | measures heat |