Science Crossword

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Across
  1. 3. A mixture that has different parts
  2. 7. How much matter occupies a space
  3. 10. A change that changes shape or size
  4. 12. Particles packed close together and vibrate
  5. 14. When it's winter in the northern hemisphere, it's this season in the southern hemishere
  6. 15. How we have night and day
  7. 16. The amount of matter an object has
  8. 18. Sink or floating
  9. 20. The amount of space an object takes up
Down
  1. 1. When no moon is seen in the sky
  2. 2. How we have seasons
  3. 4. What keeps us down to earth
  4. 5. A change that changes the color or temperature
  5. 6. Particles move absolutely freely
  6. 8. Angled rays of light hitting Earth
  7. 9. The path of the earth's rotation
  8. 11. A solution that's the same
  9. 13. Straight rays of light hitting the earth
  10. 17. When the entire moon is visible
  11. 19. Particles move freely but are still close together