Across
- 2. the mathematics dealing with the measurement of lines, angles, surfaces, and solids
- 3. an instrument for measuring speed
- 6. a person who studies the natural features of the earth
- 8. a device used to control temperature
- 10. a member of a rich and powerful family
- 11. the study of the earth
- 12. a government by the people
- 13. the science dealing with the earth's history as recorded in rocks
Down
- 1. a standard of measurement
- 4. an instrument for measuring
- 5. relating to heat
- 7. an instrument used to measure distance traveled
- 9. an instrument used to measure temperature