Soil Composition Quiz (Soil 2)

What type of soil is 70% clay, 10% sand, and 20% silt?

• sandy loam

• clay

• silty loam

• clay loam

Choose the best answer. Hot, wet climates produce what kinds of weathering?

• mechanical weathering

• chemical weathering

Colder, drier climates produce what kinds of weathering?

• chemical weathering

• mechanical weathering

Which is a way that organisms do NOT improve soil?

• they can mix soil

• they can decompose things in the soil

• they can become food for plants

• they can aerate the soil

Soils on which type of slope have higher rates of erosion?

• medium grade slopes

• flat areas

• steep slopes

Which slope receives more sunlight in the Northern hemisphere?

• North facing slope

• South facing slope

Parent material is the source of mineral matter in soil. Which type of soil forms from minerals moved from another location?

• residual soil

• transported soil

Soil A formed over 500 years. Soil B formed over 50 years. Which soil is thicker?

• Soil A

• The soils are the same age.

• Soil B

Which soil forms over temperate areas with moderate rainfall and humid climate?

• laterite

• pedalfer

• pedocal

Which soil forms over dry climates, less clay, and more grasses and brush vegetation?

• laterite

• pedalfer

• pedocal