Across
- 2. a tool used to measure wind speed
- 4. the first four planets
- 6. solids liquids and gases are
- 8. the hottest layer in the atmosphere
- 10. when water sticks to water
- 12. fuel made from things once alive
- 15. when energy changes from one state to another
- 18. the layer we live on
- 19. the land area that supplies water into a river system
Down
- 1. a tool used to measure air pressure
- 3. a tool used to measure the temperature
- 5. when heat is trapped in the atmosphere
- 7. the four outer planets
- 9. when water sticks to other things
- 11. energy that is stored
- 13. the tightness across the surface of the water
- 14. rain is a type of____________
- 16. the layer in the atmosphere that blocks harmful rays
- 17. a educated guess
