Features of the Earth

1. a group of parts that all work together
5. a landform with high elevation and high relief
7. features such as coastlines, dunes, and mountains
8. the shape of the land
10. the difference in elevation between the highest and lowest points of an area
12. the thin layer of gases that covers the earth
13. all the water on the earth
15. all the living creatures and the remains of the dead creatures on the Earth
16. these type of forces break landmarks down
17. when a river reaches an ocean, the water slows and sand, clay, and sediment sink. When the sediment builds up, it makes this landform.

2. the height of a point above sea level on Earth's surface
3. these type of forces build up landmarks
4. a hill of sand piled up by the wind
6. all the frozen water on the earth
9. the boundary between the land and the ocean or a lake
11. all the rocks and minerals below the atmosphere
14. a natural stream of water that flows into another body of water such as an ocean, lake, or another river