Science Crossword#1

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Across
  1. 3. state of matter that takes the shape of its container
  2. 6. the O in ROYGBIV
  3. 9. another name for thermal energy
  4. 10. created when a solid dissolves in a liquid
  5. 11. when light bounces off a surface with a mirror image
  6. 13. color that reflects all light
  7. 14. another way to change states of matter
  8. 15. color that occurs when all light is absorbed
  9. 18. how to get salt or sugar out of water
  10. 19. anything that has mass and takes up space
  11. 20. how matter is packed
  12. 21. the R in ROYGBIV
Down
  1. 1. one way to change states of matter
  2. 2. what creates sound energy
  3. 4. when light is bent
  4. 5. the metric unit of length (width of a staple)
  5. 7. refraction of light in nature
  6. 8. state of matter that holds it shape
  7. 12. state of matter that takes the shape of its container and is not always visible
  8. 16. how much matter something has in it (like weight)
  9. 17. 2 or more substances that can be easily separated with a tool