Earth's Surface Systems Vocabulary

2. Water that fills the cracks and spaces in underground soil and rock layers
4. The sediments deposited directly by a glacier
7. A landform made of sediment that is deposited where a river flows into an ocean or lake
8. Water that flows over the ground surface rather than soaking into the ground
9. The flat, wide area of land along a river
14. A long, narrow glacier that forms when snow and ice build up in a mountain valley
16. The geologic principle that the same geologic processes that operate today operated in the past to change Earth's surface
17. Process in which sediment is laid down in new locations
18. The process by which a glacier picks up rocks as it flows over land
20. Dark-colored organic material in soil
22. A wide, sloping deposit of sediment formed where a stream leaves a mountain range
23. Time in Earth's history during which glaciers covered large parts of the surface
25. A glacier that covers much of a continent or large island

1. The process that breaks down rock through chemical changes
3. The process by which water, ice, wind, or gravity moves weathered particles of rock and soil
5. The movement of water and sediment down a beach caused by waves coming in to shore at an angle
6. Any one of several processes by which gravity moves sediment downhill
7. The process by which wind removes surface materials
10. a wind-formed deposit made of fine particles of clay and silt
11. The type of weathering in which rock is physically broken into smaller pieces
12. Any large mass of ice that moves slowly over land
13. Small, solid pieces of material that come from rocks or the remains of organisms; earth materials deposited by erosion
15. The loose, weathered material on Earth's surface in which plants can grow
19. A stream or river that flows into a larger river
21. A deposit of wind-blown sand
24. A channel through which water is coninually flowing downhill