Sort 29 - Caleb and Ella O.

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Across
  1. 5. study of organisms and how they react to each other
  2. 7. straight line passing through a circle
  3. 9. tool used to measure earthquakes
  4. 11. related to heat
  5. 12. 1,000 meters
  6. 13. size, shape, and angles
  7. 14. tool used to see small things
Down
  1. 1. plants that respond to gravity
  2. 2. a rock with crystals
  3. 3. tool that spins to help maintain direction
  4. 4. container that keeps things hot or cold
  5. 6. study of earth's structures
  6. 8. the study of what makes us human
  7. 10. medical tool used to listen to the heart