Science Vocab

1. The area of the Great Plains where wind erosion caused soil loss during the 1930s.
4. Small solid pieces of material that come from rocks or living things
6. Management of soil to prevent its destruction.
7. Rock formed when lava or magma cools.
8. Rock formed from lava that erupted onto Earth's surface.
9. Rock formed when magma hardened beneath Earth's surface.
10. The amount of sediment that a river carries.
11. A rock that is dark colored and has low silica content.
14. A structure of calcite skeletons built up by coral animals in warm, shallow ocean water.
16. Rock formed when particles of other rocks or the remains of plants and animals are pressed and cemented together.
20. The planting of different crops in a field each year to maintain the soil's fertility.
21. The look and feel of a rock's surface.
25. Sedimentary Rocks that form when rock fragments are squeezed together under high pressure are?
26. A series of processes on Earth's surface and in the crust and mantle that slowly changes rocks from one kind to another.
27. A rock that is light-colored and has high silica content.
28. Sedimentary Rocks that forms when minerals crystallize from a solution are?
29. The force that opposes the motion of one surface as it moves across another surface.

1. The process by which sediment settles out of the water or wind that is carrying it.
2. Small grains that are difficult to see.
3. The destructive process in which water or wind loosens and carries away fragments of rock.
5. A glacier that covers much of a continent or large island.
12. Rich, fertile soil that is made up of about equal parts of clay, sand, and silt.
13. The wearing away of rock by grinding action.
15. Sedimentary Rocks that forms from remains of organisms deposited in thick layers are?
17. Rock formed when an existing rock is changed by heat, pressure, or chemical reactions.
18. Energy an object has due to its motion.
19. The loose, weathered material on Earth's surface in which plants can grow.
22. A large mass of ice that moves slowly across the land.
23. The layer of soil beneath the top soil that contains mostly clay and other materials.
24. Large grains that are easy to see.