Physical science

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Across
  1. 2. is the transfer of energy by electromagnetic waves
  2. 3. occurs when what the scientist expects changes how the results are viewed
  3. 7. is the SI unit of energy
  4. 8. is an inclined plane with one or two slopping slides
  5. 10. a large wheel that rotates when pushed by wind,water, and steam
  6. 12. a push of pull
  7. 13. when a object changes its position relative to a reference point
  8. 17. it has a positive charge
  9. 19. test the affects of one thing or another control
Down
  1. 1. is a device that makes doing work easier
  2. 4. a material on which heat flows through slowly
  3. 5. is a inclined plane wrapped in a spiral around a cylindrical post
  4. 6. force that opposes the sliding motion between two touching surfaces
  5. 9. attractive force between two objects
  6. 11. mother for studying the natural world
  7. 13. refers to the properties and interactions
  8. 14. how fast something is going
  9. 15. is the transfer of energy that occurs when a force makes up an objects
  10. 16. is the amount of work done in one second
  11. 18. gravitational force exerted on an objects