Soil Composition & Erosion Quiz

1. Which soil horizon would contain the least amount of organic matter?

• O
• B
• A

2. Which soil particle is the largest?

• Sand
• Silt
• Clay

3. During which type of wind erosion are soil particles in constant contact with the ground?

• Ephemeral
• Saltation
• Creep
• Suspension

4. You take a drink of tap water and it tastes like dirt. What are you tasting?

• pollution
• geosmin
• antibiotics
• sand

5. Which biome would you expect to have a thick O horizon?

• desert
• tundra
• forest
• grassland

6. Select all that apply: What are the 2 types of weathering? (You must have both answers answered correctly in order to get the answer right)

• Physical Weathering
• Chemical Weathering
• Horizon Weathering
• Organic Weathering