1. V-shape valleys are characteristic of this river stage.
4. A low hill of till reformed by glaciers.
6. A river curve.
8. Sediment deposited when a river flows from the mountains onto a flat plain forms an _____ fan.
10. This form of erosion is important in deserts, beaches, and plowed fields.
12. Sediments deposited at the mouth of a large river.
14. Wind-blown sand can do this to softer rocks.
15. A river with looping meanders and oxbow lakes is in the _____ stage.
16. Sections of glaciers that break off and drift into the sea.
18. A small stream flowing into a larger stream.
19. The process in which broken-down rock and soil particles are moved from one place to another.
20. Those forms of erosion controlled directly by gravity are called mass _____.
2. Any material dropped directly to the bottom of a slope.
3. Soil _____ is the very slow movement of loose sediment down a slope.
4. The most common type of wind deposit.
5. A pile of till.
7. Flat deposits of sand and gravel formed by the water coming from a melting glacier.
9. The hollow in which a valley glacier forms.
11. This kind of glacier covers Greenland and Antarctica.
12. Any process in which sediment is laid down in a new location.
13. Soil that has suddenly fallen to the bottom of a slope.
17. Scratches in rock, bumpy land, and large rocks are evidence of this kind of erosion.