Semester Exam Vocabulary Review

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Across
  1. 3. the substance that transfers the energy from one substance to another substance
  2. 5. the top point of a wave
  3. 7. rate at which an object changes its position
  4. 9. celestial objects that shine due to the light energy given off by nuclear reactions
  5. 11. type of wave with the lowest frequency
  6. 14. the only part of the EM spectrum we can see
  7. 16. large cloud of gas and dust in interstellar space. where stars are formed
  8. 18. the number of waves that pass a fixed point in a given amount of time
  9. 19. brightness of a celestial object
  10. 20. a cloud of gas and dust in space tat develops into a star
  11. 22. type of wave with the highest frequency
  12. 24. energy made by movement of electrons
Down
  1. 1. the SI unit of work or energy
  2. 2. energy due to motion
  3. 4. stored energy
  4. 6. force that causes things to move
  5. 8. energy stored in chemical bonds
  6. 10. the bottom point of a wave
  7. 12. a disturbance that carries energy through matter or space
  8. 13. a system of stars, cosmic dust and other celestial objects that are held together as a group by gravity
  9. 15. an enormous explosion that destroys a star
  10. 17. kinetic energy by moving electrons
  11. 21. distance a wave travels in a given amount of time
  12. 23. the distance from the center line to the top of a crest or to the bottom of a trough