More root words

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Across
  1. 3. The length between two sides of something
  2. 5. What my mom uses to measure the heartbeat of her paitent
  3. 10. A very small form of measurement in the metric system
  4. 12. the branch of biology that deals with the relations of organisms
  5. 14. A vacuum flask that controls temperature
  6. 16. When you are sick your mom uses this to take your temperature
  7. 17. A rock that contains crystals
  8. 18. Ethan.S loves this
  9. 19. Noor is obsessed with these in general
  10. 20. My brother bought this to see a bug up close
Down
  1. 1. I want to find the atmospheric pressure of something. What do I use?
  2. 2. I always change this when I am too hot/cold
  3. 4. A cool math principle for the area around something
  4. 5. The police use this to measure speed
  5. 6. I'm feeling hot, oh it's a root word!
  6. 7. Niel de Grasse Tyson's favorite toy
  7. 8. Literally anything produced by the heat of earth
  8. 9. similar to geography but focusing on a broader area
  9. 11. the scientific study of the behavior, structure, physiology, classification, and distribution of animals
  10. 13. A cooler word for a myth.
  11. 15. A device on a submarine for looking out of