Across
- 2. the science that deals with the earth's physical structure
- 4. the study of the origin of words
- 6. a device that automatically regulates temperature
- 9. something you check temperature with
- 10. a straight line passing from side to side through the center
- 12. a tool used for listing to a heart beat
- 13. an optical instrument used for viewing very small objects
- 16. of, relating to, or produced by the internal heat
- 17. the study of the physical features of the earth
- 19. shapes are also in
- 20. an apparatus consisting of a tube attached to a mirror
- 21. a collection of myths
- 22. the part of biology that works with the organisms
Down
- 1. the outside of a object
- 3. an instrument measuring atmospheric pressure
- 5. a rock with crystal in them
- 7. a tool used for measuring speed
- 8. a metric unit of measurement equal to 1,000 meters
- 9. of or relating to heat
- 11. a forecast of a person's future
- 13. a way of measuring something
- 14. a tool used to look at far away objects
- 15. a container that keeps a drink cold
- 18. the study of animals