vocab

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Across
  1. 4. a imaginary line running through earth
  2. 5. when the sun moon and earth are in a straight line
  3. 7. change in water level
  4. 8. spinning on a axis
  5. 9. when earth moon and sun are at a 90 degree angle
  6. 12. line of latitude
  7. 13. exists outside earth atmosphere
  8. 15. the moon orbits earth
  9. 16. period of time during the year
Down
  1. 1. how hot or cold something is
  2. 2. the force that draws things together
  3. 3. a measure of the intensity of light
  4. 6. imaginary line that runs east to west around earth
  5. 8. move in a circle
  6. 10. when both day and night are equal time
  7. 11. changes in the atmosphere
  8. 14. happens twice a year