Across
- 1. Process by which weathered bits of rock are moved elsewhere by water, wind or ice
- 3. The thin layer of gases that envelop Earth
- 5. 16 pieces that make up Earth's crust
- 7. A region of reduced rainfall on one side of a high mountain
- 10. When the rocks on one side or both sides of Earth's crust have been moved
- 11. Movement of air
- 12. Type of large ecosystem with similar life-forms and climates
- 13. An imaginary line that runs through Earth's center
- 14. A giant ocean wave caused by volcanic eruptions
- 15. The largest ices masses
- 16. A complete trip around the sun
Down
- 2. To move around something
- 4. Water deposited on the earth in the form of rain, snow, hail, sleet or mist
- 6. When day and night in both hemispheres are at equal length
- 8. When Earth's surface is worn away by forces such as wind, rain, etc
- 9. The average weather conditions in a region or an area over a long period
