Across
- 3. one asks for it from a famous person
- 7. a device to establish and maintain a desired temperature
- 8. the branch of physical geography dealing with the ocean
- 9. a writer of someone's biography
- 10. the retention of body heat
- 11. an apparatus used for transmitting messages
- 13. a person who specializes in geographical research
- 15. a person who specializes in geologic research and study
Down
- 1. a portion of written or printed matter dealing with a particular idea
- 2. the art of taking and printing pictures
- 4. the width of a circular or cylindrical object
- 5. a device used to measure speed
- 6. a history of a person's life written or told by that person
- 7. a device used to take temperatures
- 9. any instrument that measures atmospheric pressure
- 12. the science of life or living matter
- 14. The branch of mathematics that treats measurement
- 15. a computer-generated image
- 16. the science that deals with the physical history of the earth