402 Science Oct 2019 Unit F Review

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Across
  1. 1. an area of crowded particles followed by widely spaced particles
  2. 5. a reflected sound
  3. 9. the amount of energy in a sound wave
  4. 10. the flow of heat between two touching objects
  5. 12. a bar over a fixed point
  6. 13. the objects used for comparing an objects position
  7. 17. stored energy
  8. 19. an object's speed and direction
  9. 20. a machine that has only a few parts
  10. 22. the force used to do work
  11. 23. the flow of thermal energy
  12. 26. forces that cancel each other out when acting together on a single object
  13. 27. the distance from the peak of one wave to the peak of the next
  14. 29. the transfer of heat through liquids and gases
  15. 31. a force that works between the surfaces of objects that touch
  16. 32. the transfer of energy through space
  17. 34. how far apart two points are
  18. 35. things that do not transfer heat well
  19. 36. the number of vibrations in a given amount of time
Down
  1. 1. a change in distance over time
  2. 2. back and forth motion
  3. 3. the location of an object
  4. 4. two or more simple machines
  5. 6. energy of motion
  6. 7. a force that acts over a distance and pulls all objects together
  7. 8. supports a lever
  8. 11. forces that are not equal
  9. 14. the ability to do work
  10. 15. the tendency of a moving object to stay in motion, or an object at rest to stay at rest
  11. 16. the loudness of sound
  12. 18. a push or pull
  13. 21. is done when a force is used to move and object
  14. 24. a simple machine with a flat, slanted surface
  15. 25. any change over time in the speed or direction of a moving object
  16. 28. metric units used to measure force
  17. 29. things that transfer heat well
  18. 30. the object being moved
  19. 33. the highness or lowness of sound