Across
- 3. a container that keeps drinks hot or cold
- 4. a device that controls the temperature in a building
- 7. related to heat
- 8. heat energy that comes from inside the Earth
- 11. the distance across a circle through the center
- 12. stories about gods and heroes from ancient times
- 15. the study of where words come from
- 16. the distance around a shape
- 18. the study of animals
- 19. a gauge that shows how fast a vehicle is moving
- 21. a prediction based on the position of the stars
- 22. a rock that has crystals inside
- 23. the study of how living things interact with their environment
Down
- 1. a tool used to measure temperature
- 2. the study of Earth’s land, water, and places
- 5. a medical tool used to listen to a heartbeat
- 6. a tool used to measure air pressure
- 9. a unit used to measure long distances
- 10. a tool used to see objects far away in space
- 13. the study of rocks and the Earth
- 14. a tool used to see above water from a submarine
- 17. a very small unit of length
- 20. a tool used to see very tiny things
- 22. the study of shapes, lines, and angles