Science

5. A predominantly silt-sized sediment formed by the accumulation of windblown dust
6. Portion of lands elevated thousands of feet above their surroundings
7. Elevated portion of lands that are formed by geologic activities such as faulting
8. Mounds or small hills made up of sand
10. Is just underneath the upper mantle
17. Defined as the natural physical features on the surface of the earth
18. Created from exclusively erosional and weathering activities
19. The innermost layer of the earth
20. The outermost layer of the earth

1. Those that underwent sedimentation, erosion, or deposition on the river bed
2. Formed by the chemical and mechanical action of the wind
3. Those that rise higher than the rest of their surroundings
4. Deep ravine between cliffs that is often carved from the landscape by a river, wind, or glacier
9. Low-lying triangular area located at the mouth of rivers where it meets an ocean, seas, or estuaries
11. Results of the actions of the glaciers
12. A piece of land that projects into a body of water and is connected to the mainland by an isthmus
13. Lies in between the crust and lower mantle
14. High rocky coasts that plunge down to the edge of the sea
15. Flat and broad land areas that have no great changes in elevation when measured with reference to the mean sea level
16. Scientific study of landforms and the processes that shape them