Waves and Energy in Space

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Across
  1. 3. hot material rises and cooler material sinks
  2. 6. area of the sun where nuclear fusion occurs
  3. 9. occurs in the core of the sun
  4. 10. cooler areas on the sun that appear darker
  5. 14. what happens to light in water
  6. 16. these rays have the most energy and shortes wavelenght
  7. 17. stars are brighter than red stars
  8. 18. heat and light travel through open space
  9. 19. how many times a wave passes a point in a given time
  10. 20. electromagnetic waves travel through empty______
Down
  1. 1. what happens to light in a mirror
  2. 2. objects absorb almost all light
  3. 4. from rest to crest
  4. 5. mechanical waves travel through
  5. 7. not used to determine a star's apparent magnitude
  6. 8. from crest to crest on a wave
  7. 11. this light has more energy and can harm skin
  8. 12. objects reflect almost all light
  9. 13. speed of sound waves______moving from gas to solid
  10. 15. surface temperature of a star is indicated by