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- 1. Multiple Choice
Weathering is a process that
carries away rocks on Earth's surface.
breaks down rocks at the Earth's surface.
forms new rocks on the Earth's surface.
affects the weather on Earth's surface.
- 2. Multiple Choice
Which of the following is NOT an agent of mechanical weathering?
ice wedging
plant growth
abrasion
acid rain
- 3. Multiple Choice
Which of the following is NOT an agent of chemical weathering?
water
freezing
carbon dioxide
living organisms
- 4. Multiple Choice
Soil forms more rapidly in warm, wet areas than in cold, dry areas. Study the map. Which soil type on the map would you expect to form most slowly?
Tundra soil
Northern forest soil
Southern forest soil
Tundra soil and desert soil
- 5. Multiple Choice
Which of the following is the best type of soil for growing vegetables?
Sand
Silt
Clay
Loam
- 6. Multiple Choice
A tree leaf becomes part of humus when it
Dies and falls on the ground
Is eaten by birds and animals
Fills up with air and water
Is buried in bedrock
- 7. Multiple Choice
Farmer brown has cut down a stand of pine trees so he can plant corn in the spring. What would be a practical solution to help stop soil erosion during the fall and winter when the corn is not growing?
He could let cows graze in the field
He could dig a pond next to the cornfield
He could surround the cornfield with shrubs and a fence
He could irrigate the soil and then let the field lie dormant
- 8. Multiple Choice
What causes a sand dune to move away from the ocean?
Ocean wave
Strong storms
Weathering by wind
Erosion by wind
- 9. Multiple Choice
Erosion is a process that
Causes storms
Moves rocks and soil
Forms rivers
Breaks rocks into pieces
- 10. Multiple Choice
Which soil is MOST likely to be affected by wind and rain?
Soil that has just been plowed on a farm
Soil on a forest floor
Soil in a marsh
Soil on a hill covered with grass
- 11. Multiple Choice
Which information do geologists use to determine the changes of the surface and climate of Earth over time?
Fossils and layering of rocks
Earthquake data and fossils
Glaciers and type of soil
Volcanic rock and glaciers
- 12. Multiple Choice
Of the states listed in the following table, which two have the greatest amount of erosion by water?
Texas and Tennessee
Texas and Hawaii
New Mexico and Colorado
Tennessee and Hawaii
- 13. Multiple Choice
Gravity causes mass movement in the form of four agents of erosion. What are those agents?
landslides, earthquakes, mudflows, and slumps
volcanic eruptions, landslides, creep, slump
landslides, mudflows, slump, creep
hurricanes, landslides, mudflows, creep
- 14. Multiple Choice
What causes sediment to be deposited where rivers flow into larger bodies of water called deltas?
Erosion by wind
Erosion by waves
Erosion by Glaciers
Erosion by water
- 15. Multiple Choice
Which of the following labeled featured was created by wave erosion?
feature A
feature B
feature C
All of the above
- 16. Multiple Choice
Explain what would happen to the fertility of a soil if all decomposers were removed.
Nothing would happen.
The soil would become less fertile because decomposers make humus.
The soil would become more fertile because decomposers make human.
The soil would become more fertile because decomposers steal nutrients from the soil.
- 17. Multiple Choice
Compare and contrast mechanical weathering and chemical weathering.
Mechanical weathering is the physical change of a rock (example: ice wedging) while chemical weathering is the change of chemical composition (example: rust).
Mechanical weathering is the change of chemical composition (example: rust) while chemical weathering is he physical change of a rock (example: ice wedging).
Mechanical weathering breaks things down while chemical weathering takes things away.
Mechanical weathering is the physical change of a rock (example: rust) while chemical weathering is the change of chemical composition (example: ice wedging).
- 18. Multiple Choice
If a granite monument is placed outside for 200 years in a region with a cool, dry climate, what would its rate of weathering be? Explain.
Granite weathers very fast in cool, dry climates. Warmth and moisture would decrease the rate of weathering.
Granite weathers at a steady rate no matter what conditions it is placed in.
Granite weathers very slowly in cool, dry climates. Warmth and moisture would increase the rate of weathering.
Granite weathers very fast no matter what conditions it is placed in.
- 19. Multiple Choice
Explain the process of soil horizon formation. Include the five materials soil is made of.
The order of soil horizon formation is
- humus
- top soil which is the A horizon
- sub soil which is the B horizon
- C horizon
- bed rock - r horizon
The order of soil horizon formation is
- bedrock
- C horizon
- B horizon
- A horizon
The order of soil horizon formation is
- bedrock - R horizon
- C horizon - weathered rock
- A horizon - top soil
- B horizon - sub soil
The order of soil horizon formation depends on the location and conditions where the soil is forming.
- 20. Multiple Choice
Which statement is false concerning landslides and mudflows?
Landslides occur on a steep slope while mudflows occur on a gentle slope.
Landslides can occur at anytime while mudflows occur after a heavy rain.
Mudflows are the most destructive.
Both can be triggered by earthquakes.
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