1. Assessment Ch
Answer the following questions from Chapters 5 – 6 on your paper.
You may use your notes or use the internet to go to the PowerPoints for chapters 5 and 6 to find the information.

2. 2: Which of the following is not a cause of mechanical weathering:
1: The breakdown or changing of rocks at or near the Earth’s surface is called:
A: mass movement
B: sheet erosion
C: weathering
D: uplift
2: Which of the following is not a cause of mechanical weathering:
A: dissolving
B: unloading
C: frost wedging
D: burrowing

3. 4: Organic matter in soil is called
3: In which type of climate does chemical weathering occur most rapidly?
A: cold, dry
B: cold, wet
C: warm, dry
D: warm. Wet
4: Organic matter in soil is called
A: regolith
B: humus
C:talus
D: loam

4. 5: A soil’s texture is determined by it’s
A: water content
B: mineral composition
C: thickness
D: particle sizes
6: In soils with distinct soil horizons, the topmost zone is called
A: parent material
B: A horizon
C: B horizon
D: C horizon

5. 8: Which of the following does NOT usually trigger mass movements?
7: Human Activities that remove plants covering the soil cause soil erosion to
A: decrease
B: stay the same
C: increase
D: increase briefly , than stop
8: Which of the following does NOT usually trigger mass movements?
A: Growth of native vegetation on slopes
B: Formation of oversteepened slops
C: Saturation of surface materials with water
D: Vibration of the ground during an earthquake

6. 10: Which of the following best describes a mudflow?
9: When a block of material slides downward along a curved surface, the process is called
A: a rockslide
B: a rockfall
C: a slump
D: an earthflow
10: Which of the following best describes a mudflow?
A: movement too slow to be observed directly
B: material moving downslope as a thick fluid
C: material falling freely through the air
D: sudden movement along a flat, inclined surface

7. 11: The energy for the water cycle comes from
A: ocean
B: sun
C: atmosphere
D: soil
12: How does water move from plants to the atmosphere?
A: infiltration
B: precipitation
C: transpiration
D: condensation

8. 13: By what process do streams and rivers move material?
A: weathering
B: infiltration
C: mass wasting
D: erosion
14: A river’s discharge is generally greatest
A: at it’s source
B: on it’s floodplain
C: at it’s mouth
D: at the sides of it’s channel

9. 15: When do streams and rivers deposit sediment?
A: When their velocity decreases
B: when they are in the midst of flooding
C: when their velocity increases
D: when they plunge over waterfalls
16: A streams drainage basin (or watershed) is all the water that
A: flows into it
B: infiltrates from it into the ground
C: is removed from it for drinking water
D: is within 100 kilometers of it’s channel

10. 17: What is a stream’s bed load?
A: material that moves along it’s bottom
B: material that is carried in solution
C: material that floats on it’s surface
D: material that is carried in suspension
18: Where is groundwater located?
A: zone of aeration
B: zone of reduction
C: zone of saturation
D: zone of distribution

11. 19: Water in an artesian well
A: dries up after a short amount of time
B: rises on it’s own under pressure
C: has been contaminated by saltwater
D: is heated by cooling igneous rock
20: Caverns form when rocks such as limestone are dissolved by a mixture of water and
A: carbonic acid
B: sulfur dioxide
C: nitrogen
D: ammonia