Across
- 3. __________ dioxide is released when fuel is burned
- 4. The _________ power comes from water coming in and out of a dam due to the movement of tides that turns the turbines
- 5. _______________ are made from plant or animal matter such as wood, alcohol from sugar cane and methane gas from rotting waste
- 6. A special generator that is driven by gigantic wind mills
- 9. The unit for electrical energy
- 11. Nuclear _________ is the process by which the sun releases its energy
- 12. solar __________ are used to convert solar energy into electrical energy
Down
- 1. _______ energy makes use of the heat from under the earth to turn water into steam to spin the turbines
- 2. The ________________ power comes from water rushing down from a dam to turn turbines connected to generators
- 7. solar ________ are used to absorb energy from the sun to heat up water
- 8. The waste or by-products that is produced by a power station and is damaging to the environment
- 10. energy resources that are _____________ can be replaced or replenished
- 11. __________ fuels comes from the remains of plants and animals which has become coal, oil or natural gas