Physics KS3

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Across
  1. 5. Upward force in fluid
  2. 8. Group of bonded atoms
  3. 10. Picture formed by light
  4. 11. Spreading of particles
  5. 13. Complete path for current
  6. 15. State with no fixed shape
  7. 16. Push or pull on object
  8. 18. Bouncing of light
  9. 20. Force attracting masses
  10. 21. Light-sensitive eye layer
  11. 22. Visible electromagnetic radiation
  12. 23. State with fixed shape
  13. 26. Length of one wave
  14. 29. Flow of electric charge
  15. 30. Material resisting current flow
  16. 32. Length between two points
  17. 33. Taking in light energy
  18. 36. Mass per unit volume
  19. 37. Bending of light
  20. 38. Material allowing current flow
Down
  1. 1. Liquid changing to gas
  2. 2. Electrical push on charges
  3. 3. Number of waves each second
  4. 4. Gas changing to liquid
  5. 6. Distance travelled per second
  6. 7. Tiny piece of matter
  7. 8. Solid changing to liquid
  8. 9. Force acting on area
  9. 12. Liquid changing to solid
  10. 14. Measure of passing events
  11. 17. Property causing electric forces
  12. 19. Amount of matter
  13. 24. State with fixed volume
  14. 25. Opposition to current flow
  15. 27. Maximum wave height
  16. 28. Force opposing motion
  17. 31. Different light frequencies
  18. 34. Change in position
  19. 35. Gravitational force on object