Across
- 3. vertebrate that lives in water uses gills
- 6. distance above Earth's surface
- 7. inclined plane wrapped around a cylinder
- 10. flat sheets of gray clouds that cover the sky
- 11. shape of the land
- 14. liquid water changing to water vapor
- 15. a device that uses radio waves to gather data
- 18. push or pull of an object
- 19. plants releasing water vapor through leaves
- 21. clouds that are wispy and found at high altitudes
- 22. conditioning is this type of behavior
Down
- 1. average weather of an area over many years
- 2. describes conditions of atmosphere
- 4. coldest layer of the atmosphere
- 5. reproduction that involves one parent
- 8. type of energy that is thermal
- 9. ectothermic vertebrate scaly skin lays eggs
- 12. device that changes ME into EE
- 13. heat transfer through space
- 16. forms when water vapor condenses directly on surface
- 17. internal skeleton
- 20. grooved wheel with a rope