Vocab

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Across
  1. 4. The brightness of a star
  2. 5. the length of the wave
  3. 6. Has a crest and a trough
  4. 7. how bright a stars appears to you
  5. 8. The highest part of a wave
  6. 9. how stars move
  7. 10. The lowest part of a wave
Down
  1. 1. The rate of waves
  2. 2. distance of stars
  3. 3. the colors of waves
  4. 5. the speed of waves