Landforms

3. a low area of land between hills or mountains, typically with a river or stream flowing through it
5. the science that deals with the earth's physical structure and substance, its history, and the processes that act on it
6. an area of relatively level high ground
7. a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill
8. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans
10. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
11. a piece of land surrounded by water
12. a loose granular substance, typically pale yellowish brown, resulting from the erosion of siliceous and other rocks and forming a major constituent of beaches, riverbeds, the seabed, and deserts

1. a naturally raised area of land, not as high or craggy as a mountain
2. a deep, narrow valley with steep sides
4. a large area of flat land with few trees
5. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles
7. a diagrammatic representation of an area of land or sea showing physical features, cities, roads, and more
9. the outline of a coast
12. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles