8th grade science

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Across
  1. 6. the distance between two waves tops or bottoms
  2. 7. is the change in position an object over time
  3. 10. a force that opposes motion between surfaces in contact
  4. 13. how fast something is moving
  5. 14. a state of matter that moves freely
  6. 15. the bouncing back of a wave when it hits a surface
  7. 16. a wave caused by sounds and vibrations
  8. 18. when heat transfers through movement
  9. 24. a strong force transmitted through objects
  10. 26. the bending of a wave
  11. 30. how hot or cold something is
  12. 31. a state of matter that expands to fill space
  13. 33. the number of complete waves, cycles that pass per unit of time
  14. 34. a state of matter in a fixed state
  15. 35. is a measure of the amount of matter in an object
  16. 36. when a solid turns into a liquid
Down
  1. 1. a basic building block of matter
  2. 2. is anything that has mass and volume
  3. 3. a material that lest heat or electricity pass through it easily
  4. 4. the opposite flow of current
  5. 5. a push or pull
  6. 8. two or more atoms stuck together
  7. 9. when heat transfers through contact
  8. 11. how much space something takes up
  9. 12. is speed with direction
  10. 17. is defined as mass per unit volume
  11. 19. a material that stops heat or electricity from stop it easily
  12. 20. a wave that causes us to see things
  13. 21. attraction something being pulled a certain way
  14. 22. a force being pulled or attracted by a magnet
  15. 23. two of more chemicals joined together
  16. 25. the ability to do something or make it happen
  17. 27. when a liquid turns into a solid
  18. 28. how much speed or force something has when its moving
  19. 29. the number of occurrences of repeating events per unit of time
  20. 32. is the basic chemical element, and is a fundamental component of matter