Term 4 Revision Crossword

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Across
  1. 2. The middle stage of an energy flow diagram.
  2. 5. The source of energy in an energy flow diagram.
  3. 6. Something that works well with little waste.
  4. 12. A kind of current formed by the transfer of heat in a gas or a liquid.
  5. 15. What dark surfaces do when they receive radiation.
  6. 18. A type of energy system that involves a flow of charged particles.
  7. 19. A food chain is an example of this type of energy system.
  8. 23. Something that can be placed in ceilings to improve energy efficiency.
  9. 24. A type of heat transfer that does not require physical contact or the movement of particles.
  10. 25. The type of output energy that is not useful to us.
  11. 27. The type of potential energy stored in food and fuels.
  12. 28. What light or shiny surfaces do when they receive radiation.
Down
  1. 1. The type of potential energy stored in an object held above Earth's surface.
  2. 3. Different parts working together.
  3. 4. The standard unit of measurement for energy.
  4. 7. The way heat energy is transferred in or between solids.
  5. 8. This is measured in degrees Celsius.
  6. 9. The type of potential energy found in a stretched material.
  7. 10. Energy resulting from a change of position or a change of state.
  8. 11. Energy that is stored.
  9. 13. A type of energy system that involves the transfer of heat energy.
  10. 14. A type of energy system that involves forces and movement.
  11. 16. The changes we observe at the end of an energy flow diagram.
  12. 17. Something that can be used instead of a heater to keep warm.
  13. 20. A material that transfers heat easily.
  14. 21. A material that prevents or slows down heat transfer.
  15. 22. Something humans use to prevent a heat loss problem.
  16. 26. Something that can be done instead of bathing in order to save electricity.