Science final crossword

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Across
  1. 4. Assumptions made based off evidence
  2. 6. the height of anything above given a planetary reference plane
  3. 7. decrease in the visibility of the moon
  4. 8. the man who created the 3 laws of motion
  5. 9. located between mars and jupiter and carried most asteroids in the solarsystem
  6. 10. The teacher that lets us have snowball fights and makes school fun
  7. 11. the term for visibility of the moon increasing
  8. 14. Circuler movement of an object around a axis
  9. 16. a variable whose value depends on that of another.
  10. 17. a star that earth orbits
  11. 18. Gravitational curved trajectory of an object
  12. 19. then line in which the object rotates on
  13. 20. A remnant or trace of an organism of a past geologic age
  14. 21. akronym for claim, evidence, and reasoning
Down
  1. 1. a rock moving through space in particular between Mars and Jupiter
  2. 2. facts or information either proving something right or wrong
  3. 3. an object in rest(Motion) stays in rest(motion) unless acted upon by another force
  4. 5. the variety of life in a habitat of environment
  5. 8. the variable that does not depend on the other other
  6. 12. More than half of the moon full
  7. 13. A diverse group of reptiles that first appeared in the triassic period
  8. 15. a thing constituting a piece of evidence about the past