Science 20-4 Energy Transformations

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Across
  1. 3. Plants contain this green pigment
  2. 5. Attached to a generator and help produce electricity
  3. 7. Stored energy
  4. 9. The system where energy is changed from one form to another
  5. 10. The Law of _____________ of Energy
  6. 13. A campfire produces ____________ energy
  7. 15. Type of potential energy in food
  8. 18. The ability to do work
  9. 20. Powerhouse of the cell
Down
  1. 1. People make energy through
  2. 2. Plants make food by doing _______________
  3. 4. 3 Macromolecules are fats, carbohydrates and __________
  4. 6. A device that makes energy
  5. 8. The measure of how well an appliance uses input energy
  6. 11. The type of fat in vegetable oil
  7. 12. Energy stored in the Earth
  8. 14. The energy of an object in motion
  9. 16. Power is measured in this unit
  10. 17. 1 watt = 1 joule per _________
  11. 19. Energy that enters a system