5 Written Questions

1. A ________ is a mass of wet sediment that flows downhill over the ground surface.
2. ________ is the effects of chemical changes caused by oxygen.
3. Creep, ________, rock slides, and mudflows are four types of mass movements.
4. ________ regions where the weather is warm and moist have lots of organic matter in the soil.
5. On steep hillsides soil has ________ chance of developing.

5 Matching Questions

1. less
2. Erosion
3. iron oxide
4. cirques
5. expands

1. a Even a tiny amount of iron in rock can combine with oxygen and form a reddish ________ ________.
2. b In mountains, valley glaciers can remove rock from the mountaintops to form large bowls called ________ and steep peaks called horns.
3. c As soils develop, they become ________ like the rock from which they formed.
4. d ________ is the wearing away and removal of rock or sediment.
5. e Ice wedging breaks apart rocks because water ________ when it freezes into ice.

5 Multiple Choice Questions

1. ________ erosion occurs when a thin sheet of water carries away loose grains of sediment.
   1. less
   2. deep
   3. Sheet
   4. Soil
2. Organic matter includes decomposed leaves, ________ , roots, and other types of organic material.
   1. weight
   2. time
   3. weak
   4. twigs
3. Ice wedging is a type of ________ weathering.
   1. chemically
   2. Tropical
   3. Chemical
   4. mechanical
4. ________ ________ occurs when gravity alone causes rock or sediment to move down a slope.
   1. Erosion
   2. Weathering
   3. Mass movement
   4. Moss
5. ________ glaciers in polar regions cove about ten percent of the Earth and are so large and thick that tye can bury mountain villages.
   1. climate
   2. center
   3. downhill
   4. Continental

5 True/False Questions

1. freezing → Creep is common where ________ and thawing occurs.

   True        False

2. Valley → ________ glaciers are much smaller and are located in high mountains where the average temperature isn't warm enough to melt the ice sheets.

   True        False

3. mudflows → Creep, slump, rock slides, and ________ are four types of mass movements.

   True        False

4. erosion → Continental and valley glaciers move and cause ________.

   True        False

5. rock slides → During a ________ ________ layers of rock break loose from slopes and slide to the bottom of the slope.

   True        False