1. Changes to Land
Grades 3-5

2. Features
Features on the surface of Earth such as mountains, hills, dunes, oceans, and rivers

3. Delta
A triangle shaped landform at the mouth of a river as it empties into another body of water

4. Canyon
A deep gorge in the surface of Earth formed by the erosion of moving water and sand

5. Sand Dune
Hills formed by the wind blowing of sand

6. Mountain
Very large rock formation with peak at top

7. Hill
A large land formation of rocks, dirt, and grass that has rounded at the top

8. Valley
The flat area between two mountains or hills

9. Glacier
Slowly moving river of ice

10. V-Shaped Valley
A valley formed by moving water

11. U-Shaped Valley
A valley formed by a slow moving glacier of ice

12. Plain
A large area of land that is flat with no mountains, hills, or valleys

13. Weathering
The breakdown of rock into smaller particles from the effects of wind, water, and ice

14. Erosion
The movement of weathered material on Earth’s surface by wind, water, or ice.

15. Deposition
The build up of land by depositing sediment and soil in a new location