Energy

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Across
  1. 5. This energy is as a result of its position above the ground.
  2. 6. Energy is measured in this unit.
  3. 7. The law of ____________ of energy states that energy cannot be created or destroyed.
  4. 9. The particles of a substance move faster and faster when they are?
  5. 11. An energy flow diagram is a __________ way to show energy transfer.
  6. 16. The movement of charges inside electrical wires are called electric:
  7. 17. During convection, warm molecules _______.
  8. 18. The energy system that uses forces.
  9. 20. What are the waves called that transfer heat through radiation.
  10. 21. Energy is the _________ to do work.
  11. 22. The transfer of heat through solid objects.
  12. 23. The energy system that deals with the transfer of heat.
Down
  1. 1. The transfer of heat through liquids and gases.
  2. 2. The transfer of heat in a vacuum.
  3. 3. Objects that move have this type of energy.
  4. 4. The energy system that deals with vital life processes.
  5. 8. The energy system that uses circuits.
  6. 10. This energy comes as a result of stretching or compressing.
  7. 12. Dark colours are best at ____________ radiation.
  8. 13. The second stage of energy transfer.
  9. 14. Light colours are best at ___________ radiation.
  10. 15. This energy is stored in substances such as food and fuel.
  11. 19. This energy is stored in a system or object.