Renewable/Alternative Energy

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Across
  1. 3. DIOXIDE, A major greenhouse gas released from burning coal, oil, and natural gas
  2. 4. FUEL, A natural fuel formed from ancient plants and animals over millions of years
  3. 6. ENERGY, Electricity produced using heat from inside the Earth
  4. 9. ENERGY, Energy produced by the motion of air due to pressure differences in the atmosphere
  5. 10. ENERGY, Energy that is successfully transferred to perform a desired task
  6. 12. A machine that converts mechanical energy into electrical energy
  7. 15. FLOW, The movement of water that can be used to drive turbines in power stations
  8. 19. A rotating machine that converts the kinetic energy of moving fluid into mechanical energy
  9. 20. Fuel produced from plant or animal materials that can be used as an alternative to fossil fuels
  10. 22. A device that stores chemical energy and releases it as electrical energy
  11. 23. POTENTIAL ENERGY, Energy stored by an object because of its position in a gravitational field
Down
  1. 1. CELL, The basic unit that makes up a solar panel and generates electricity
  2. 2. HEAT, Heat energy that originates from beneath the Earth’s surface
  3. 3. ENERGY, Energy production that causes little or no pollution
  4. 5. PANEL, A device that converts light energy into electrical energy using the photovoltaic effect
  5. 7. ENERGY, A type of energy source that can be naturally replaced in a short period of time
  6. 8. The SI unit used to measure energy
  7. 11. CONVERSION, The process of changing energy from one form to another
  8. 13. A measure of how effectively a machine converts input energy into useful output energy
  9. 14. ENERGY, Energy source that will eventually run out and cannot be replaced quickly
  10. 15. ENERGY, Energy that is not usefully transferred and usually becomes heat or sound
  11. 16. ENERGY, Energy related to the temperature of an object
  12. 17. ENERGY, Renewable energy generated from the movement of rivers, dams, or waterfalls
  13. 18. ENERGY, Energy possessed by a body because it is moving
  14. 21. ENERGY, Energy obtained directly from radiation emitted by the Sun