Across
- 3. a container that keeps a drink or other fluid hot or cold
- 5. the study of the relationships between living things and their surroundings, or environment
- 6. distance around the outside of a shape, calculated by. adding the length of all sides together.
- 7. an instrument on a vehicle's dashboard indicating how fast or slow it is moving.
- 10. relating to or produced by the internal heat of the earth.
- 13. the study of the physical features of the earth
Down
- 1. an instrument used especially in forecasting the weather
- 2. advice and future predictions based on the date of a person's birth and the positions of the stars and planets
- 3. a device that automatically controls temperature
- 4. a medical instrument for listening to the action of someone's heart or breathing
- 8. the study of the origin of words and the way in which their meanings have changed throughout history
- 9. a small cavity in rock lined with crystals or other mineral matter.
- 11. a genre of literature that you both love
- 12. an instrument containing lenses and mirrors by which a person (as on a submarine) can get a view that would otherwise be blocked
