Year 8 Unit energy revision

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Across
  1. 4. arrow is proportional to the amount of energy it
  2. 6. you spent on making an energy-saving change.
  3. 10. The time it takes to get back (in energy savings) the
  4. 12. A unit for measuring temperature.
  5. 14. radiation. Infrared radiation can travel through
  6. 15. The way energy is transferred by heating in fluids.
  7. 18. The amount of mass that one cubic centimetre of a
  8. 20. How hot something is, usually measured in degrees
  9. 21. A machine, usually one powered by electricity and used
  10. 22. A way of saying how much energy something wastes.
Down
  1. 1. A diagram showing energy transfers, where the width of
  2. 2. A way of transferring energy by heating. Also known as
  3. 3. The way energy is transferred through solids by heating.
  4. 5. When a liquid turns into a gas.
  5. 7. A unit for measuring power. 1 watt (W) is 1 joule (J) per
  6. 8. ‘To soak up’ or ‘to take in’.
  7. 9. A gas or a liquid.
  8. 11. things and a vacuum (empty space).
  9. 13. A unit for measuring energy.
  10. 16. To give out.
  11. 17. (g/cm3
  12. 19. has. Often measured in grams per cubic
  13. 23. the home.