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