Across
- 4. All living things on Earth
- 5. Moisture falling from clouds
- 10. Hottest layer of the atmosphere
- 15. All water on Earth
- 17. Directs everything that goes on in the cell
- 18. Layer of the atmosphere in which humans and weather occur
- 19. Produces protein for the cell
- 20. state of the atmosphere at a specific time and place
- 22. Found in the plant cell: protects and gives cell its structure
Down
- 1. Stores material in the cell until needed
- 2. Rocky portion of earth
- 3. Amount of water vapor in the air
- 6. Envelope of gases that surround the Earth
- 7. Average weather pattern over a long period of time
- 8. Layer of the atmosphere that contains the ozone layer
- 9. Layer of the atmosphere in which meteors burn up
- 11. Water that changes from liquid to gas
- 12. Frozen portions of water on Earth
- 13. Water changes from gas to a liquid; process of forming clouds
- 14. Provides energy for the cell
- 16. Layer of the atmosphere closest to outer space
- 21. Evaporation of water from leaves
