Renewable resources week #5

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Across
  1. 2. plate solar collector A device that uses a flat, dark surface under a glass cover to absorb sunlight and heat water or air for use in a building
  2. 5. farm A groups of wind turbines placed together
  3. 7. energy Energy made from natural materials
  4. 8. power Electricity made from natural materials
  5. 10. energy Heat energy that comes from inside the earth and can be used to produce electricity
  6. 13. cell A device that converts sunlight directly into electricity
  7. 14. solar power A type of solar energy that uses mirrors or lenses to focus sunlight into a small area to produce heat
  8. 16. turbine Machines that uses the winds energy to spin blades and produce electricity
Down
  1. 1. cell A device that produces electricity through a chemical reaction
  2. 3. solar heating A system that uses mechanical devices to move and collect heat from the sun into a building
  3. 4. Electricity made by using the energy of moving water
  4. 6. solar heating A way of warming buildings by using sunlight naturally
  5. 7. Fuel made from living things or natural materials
  6. 9. Process that uses electricity to break a substance
  7. 11. thermal energy conversion A way to make electricity by using the temperature difference between warm surface ocean water and cold deep ocean water
  8. 12. energy Power made from the movement of ocean tides as the water rises and falls
  9. 15. source heat pump System that uses heat from the ground to warm or cool buildings