Across
- 5. where the ozone layer is in atmosphere and jets fly in
- 6. part of the thermosphere where radio waves bounce
- 8. all the living organisms on Earth
- 9. a chemical species gains oxygen or loses hydrogen occurs in weathering
- 10. rocks are broken down through chemical changes
- 12. all the gases that surround Earth
- 15. a long narrow island close to the mainland that protects it from erosion and storms from
- 16. coldest region of atmosphere and meteors burn in
- 19. process where the atmosphere keeps Earth's surface warm
- 20. the winding curve or bend of a river
- 21. a mound or ridge of sand formed by wind
- 23. where rivers deposit sediments into the ocean
- 24. wearing away of rocks by rock particles carried by water, ice, wind or gravity
- 26. the area where weather occurs or lowest layer of atmosphere
Down
- 1. process that breaks down rocks and other substances
- 2. One of the most abundant greenhouse gases
- 3. all the frozen areas on Earth
- 4. rocks are physically broken into small pieces
- 7. weathered rock particles are carried away
- 11. all the bodies of water on Earth
- 13. the upper layer of the thermosphere where satellites orbit
- 14. the solid part of Earth
- 17. Carbon dissolving in water that weather rocks
- 18. warmest layer of atmosphere and auroras occur
- 22. a cavity in the ground caused by water erosion
- 25. eroded rock particles dumped off in a new location
- 27. made of 3 oxygen atoms where some harmful radiation from the sun