Christopher McDaniel's Crossword Puzzle

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Across
  1. 4. a force placed on an object that causes it to move over a distance
  2. 6. this will form when wrapping a wire around a nail
  3. 7. energy that is stored and must be activated to work (ex: inside a battery)
  4. 8. transfer of heat through solids
  5. 11. transfer of heat through empty space
  6. 12. a push or a pull on an object
  7. 13. a triple beam balance is used to measure this
  8. 15. another name for a compound machine (2 or more simple machines combined)
  9. 18. a spring scale is used to measure this
Down
  1. 1. energy from the Sun
  2. 2. transfer of heat through liquids and gases
  3. 3. the type of mechanical energy that is in motion
  4. 5. another name for an inclined plane
  5. 6. energy flowing through an electrical circuit
  6. 9. also commonly called heat energy
  7. 10. the invisible force of attraction or repulsion
  8. 14. simple machine made from an inclined plane wrapped around a rod
  9. 16. a simple machine made from a rope and a wheel/axle
  10. 17. the ability to do work