Across
- 4. an instrument used to observe celestial bodies
- 5. relating to heat
- 7. study of Earth's physical structure
- 9. an instrument used to measure air pressure
Down
- 1. the distance of boundaries of closed figures
- 2. a group of legends from a specific culture
- 3. thousand meters
- 4. a container that keeps stuff inside warm or cool
- 6. study of animals and their features
- 8. a form of arithmetic that is related to figures
