Forms And Uses of Energy

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Across
  1. 1. ______ is a type sound which is pleasant to listen to.
  2. 4. Energy cannot be ______ or destroyed.
  3. 7. The amount of gravitational potential energy an object has depends on its mass and ______ from the ground.
  4. 8. ______ is a type of sound which is unpleasant to listen to.
  5. 12. An object at ______ has no kinetic energy.
  6. 14. Sound needs a ______ to travel through, or else it cannot be heard.
  7. 15. Electricity is usually generated in ________ stations.
  8. 17. _______ is a form of energy that makes things warm or hot.
  9. 18. We get energy from many ______.
  10. 20. The stored energy in batteries is used when they are in a _____ electric circuit.
  11. 21. ______ is the ability to do work.
  12. 23. The ______ an object moves, the more kinetic energy it has.
  13. 25. _______ energy is a form of energy that enables us to see.
  14. 26. Sound energy is produced by _________ objects.
  15. 27. Any object that is above the ground, ______ from something or on top of a slope has gravitational potential energy.
  16. 28. ______ is a form of energy that we can hear.
  17. 29. Sound does not travel in outer space, which is a _______.
  18. 31. _____ is moving air which has kinetic energy.
  19. 32. Light energy from the Sun enables plants with _______ to make food.
Down
  1. 2. Elastic potential energy is the energy an object has when it is _______ or compressed.
  2. 3. The stored energy in food is released by ______.
  3. 5. Energy _______ one form of energy into another form of energy.
  4. 6. ______ energy is also known as stored energy.
  5. 9. Heat energy from the Sun keeps living things warm so that they can _______.
  6. 10. The amount of kinetic energy an object has depends on the mass and _______ of the moving object.
  7. 11. Once released, the elastic potential energy converts into kinetic energy and the object returns to its ______ shape.
  8. 13. The stored energy in fuels is released by ______.
  9. 16. Energy stored in _______ and solar cells can also be changed to electricity.
  10. 19. _______ is a a form of energy that can be carried along wires.
  11. 20. ______ energy is stored in any kind of food, fuel or battery.
  12. 22. ______ is the energy that moving objects have.
  13. 24. Objects can be seen if they give off light or if they _______ light.
  14. 30. The more the object is stretched or _____, the more elastic potential energy is stored.