| A | B |
| array | several things arranged in a particular way |
| kinetic | produced by motion |
| tide | change in the sea level |
| hot spring | hot water coming up from the ground |
| pipe | send liquid or gas through tubes |
| manure | waste materaal from animals |
| waste | unwanted material left after using |
| maintenance | keeping something in good condition |
| power plant | place where electricity is generated |
| splitting (atoms) | breaking up |
| biomass energy | from plants and animal waste |
| geothermal energy | from hot water below the Earth surface |
| nuclear power | from splitting atoms of uranium |
| hydroelectric power | from water spinnig the turbines |
| thermoelectric power | from burning fossil fuels |
| solar energy | sunlight converted into electricity |
| wind energy | from movement of air |
| tidal energy | from changing levels of the sea |
| pollution | releasing bad things inthe air |
| dam | used to store water |