Physical Science

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Across
  1. 3. a surface that is curved away from the incoming light
  2. 6. breaking apart of a nucleus into smaller nuclei
  3. 8. the lowest point of a wave
  4. 10. special cells that detect different colors
  5. 11. releasing of eneryg through burning
  6. 13. wave changing direction when it bounces off a surface that does not absorb it
  7. 19. rythmic vibrations
  8. 20. magnetic field generated by current flowing through a wire
  9. 21. bending of light
  10. 22. complete circular path that allows electrons to flow
  11. 24. the back part of the eye
  12. 25. some people have something to ____,others have to ____ something
Down
  1. 1. attractive and repelling forces contained in magnetic materials
  2. 2. part of the atom with a neutral electrical charge
  3. 4. a surface that is curved toward incoming light
  4. 5. combining of nuclear particles to form a larger nucleus
  5. 7. electically-charged particles
  6. 9. mechanism for converting a changing magnetic field into a flow of current
  7. 12. image of the sky projected above the ground because of different densities of air
  8. 14. a device that supplies electrons through a chemical reaction
  9. 15. sudden discharge of electricity
  10. 16. speed at which the wave travels
  11. 17. a weapon powered by fusion
  12. 18. speed at which the wave travels
  13. 23. sonic boom caused by rapidly exanding air