Across
- 3. vivid;strong;clear
- 5. heating or cooling
- 6. a device for sending and receiving signals over an electric wire
- 8. a person who specializes in the study of geology
- 10. a story of yourself
- 14. the scientific study of living things
- 15. the study of earth and its features and inhabitants
- 16. someones signature
- 17. printing photographs
- 18. an instrument indicating temperature
- 19. the mathematical study of measurements and relationships of solid and plane figures
Down
- 1. an instrument that measures air pressure
- 2. a straight line that passes through circle and center
- 4. scientific study of the composition history of earth's structure
- 7. a clearly indicated written part of work
- 9. the study of oceans
- 11. a device that controls heating or cooling equipment
- 12. a person who specializes in study of geography
- 13. an instrument indicating speed
- 14. the story of another person