Across
- 1. a hollow rock lined with crystals
- 5. study of word history
- 7. a device that automatically changes the temperature
- 10. an astrological forecast
- 12. using heat of earth's interior
- 15. a small measurement of distance
- 17. a device that measures speed
- 18. the study of the earth
- 19. often used on a submarine to see
- 20. the natural parts of an area
- 22. mathematics of shapes
- 23. a container that keeps matter hot or cold
- 24. measures pressure of atmosphere to determine weather
Down
- 2. the relationship between a living thing and it's environment
- 3. line across the center of a figure
- 4. the outside of an area
- 6. study of the animal kingdom
- 8. a device that lets you listen to noises in the body
- 9. used to measure temperature
- 11. a device that you use to enlarge small objects
- 13. the study of myths
- 14. a large measurement of distance
- 16. a device that lets you see far away objects
- 21. relating to or saving heat