Science

2. Small hills made up of sand measuring between 1-10m high.
4. A deep ravine between cliffs that is often carved from the landscape by a river, wind, or glacier.
6. Last and innermost layer of Earth.
7. Outer solid part of the planet include Earth's crust as well as the rigid upper part of the mantle.
9. Low-lying triangular area located at the mouth of rivers.
10. Largest layer of Earth.
12. Landforms that area controlled by geological processes that form them and continually act on them after their formation.
16. Study of the current terrain features of a region.
17. Flat and broad land areas that have no great changes in elevation when measured with reference to the mean sea level.
19. scientific study of landforms and the processes that shape them.

1. Bend in a sinuous watercourse of river.
3. A flat-topped hill and steep sides and are formed in and to semi-arid desert conditions.
5. Also known as table lands or flat-topped mountains.
6. Outermost layer of the Earth.
8. Piece of land that projects into a body of water and is connected to the mainland by an isthmus.
11. Natural physical features on the surface of Earth.
13. Elevated portions of lands that are formed by geologic activities.
14. A predominantly silt-sized sediment formed by the accumulation of windblown dust.
15. Study of the flow of matter primarily in the liquid state.
18. Low-lying area of land situated between hills or mountains.