Across
- 3. the state of the atmosphere at a time and place
- 6. fuel a fuel formed over thousands or millions of years from the remains of living organisms
- 7. to change from a liquid to a gas
- 9. dioxide one of 4 main greenhouse gases
- 10. the sphere on Earth that includes all the water on a planet
- 12. a large, rotating tropical storm with wind speeds of at least 74 mph
- 14. a body of water, often an artificial lake, which is used to store water for human use.
- 15. a storm that produces lightning
- 16. warming a gradual increase in air temperatures near Earth’s surface
- 18. water that falls to Earth’s surface
- 19. the measure of the hotness or coldness of a substance
- 20. the layer of gases that surrounds Earth
- 22. change from a gas to a liquid
- 24. cycle the continuous movement of water from Earth’s surface to the atmosphere and back again
Down
- 1. the sphere on Earth that includes all the rocky, non-living parts of a planet
- 2. the process of cycling carbon dioxide back to the atmosphere by living things in order to stay alive
- 4. a large, slowly moving body of snow and ice
- 5. gas a gas in Earth’s atmosphere that absorbs and then re-radiates heat
- 8. the process of cycling carbon dioxide back to the atmosphere by living things following its death
- 11. a process in which plants use energy from light to change carbon dioxide and water into glucose (sugar) and oxygen
- 13. water that moves across the surface of land into streams or rivers
- 17. changing from a liquid to a solid
- 21. one of earth's spheres that contains living things such as plants and animals
- 22. the statistics of weather over long periods of time
- 23. the most violent storms in a hurricane generally surround the eye in an area known as the ____________
