Science Crossword Puzzle

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Across
  1. 3. Fuels, a natural fuel
  2. 5. Smallest planet in solar system
  3. 10. for amount of matter in object
  4. 13. Newton, person who invented calculus
  5. 14. Fifth planet from sun
  6. 16. action of two things rubbing together
  7. 17. Closest planet to the sun
  8. 19. Eighth planet from sun
  9. 21. curved path around stars/planets
  10. 22. pull or push
  11. 23. Energy, a particle has by reason of its motion
  12. 26. Fifth planet from sun
  13. 28. how far one thing is from another
  14. 30. resist change in motion
Down
  1. 1. First Law of Motion, stays at rest when not moved but moves when moved
  2. 2. the size of an object
  3. 4. Sixth planet from sun
  4. 6. pulls us down
  5. 7. Energy, Energy in the nucleus of an atom
  6. 8. object used to look at planets/stars
  7. 9. Second planet from sun
  8. 11. Fourth planet from sun
  9. 12. speed
  10. 15. Seventh planet from sun
  11. 18. Energy, is the energy of electromagnetic
  12. 20. Third planet from sun
  13. 24. Energy, energy derived from electric potential energy
  14. 25. a machine for producing power
  15. 27. quantity that has both magnitude and direction
  16. 29. gravity pulling object