Exam 10: Weathering, Soil, and Erosion

A mixture of mineral grains and rock fragments, organic material, water, and gas that can support plant growth is called ____.

Soils that are common in desert environments are called ____.

Explain how the type of rock and orientation of rock layers impact mass wasting.

If you decided to hike on a talus slope, it would have an angle of repose that is lower than rounded san grains because the angular blocks interlock and jam together.

If a rock gets water in a fracture or joint and it freezes at night, what type of physical weathering does that represent?

If you wanted a balanced soil for your yard that has equal parts of sand, silt, and clay, you would find a piece of land rich in what type of soil? _____________

Explain how chemical and mechanical weathering can act together?

____ is a layer of loose rock fragments, clay, silt, and sand overlying bedrock.

Explain how bedrock/parent rock relates to residual soils.

The soil layer that consists of partially weathered bedrock which grades into unweathered parent rock is the ____.

If you wanted to obtain information where you live, what specific soil report would you as the National Resources Conservation Services (NRCS) to provide you?

During ____, water dissolves a mineral to form a solution.

If you see plants that have grown between the cracks in a rock, this is an example of mechanical weathering.

Explain how transported soils form and provide an example of transported soils.

During hydrolysis, saltwater that enters rock pores and cracks crystallizes, causing the rock to break.

Explain how volcanic eruptions impact mass wasting.

During a rockslide, bedrock slides downslope along a fracture plane.

Explain which layers of soil you may have to manufacture if your yard does not have organic material.

The type of mass wasting known as mudflow occurs when ____.

Explain why the Moon still has early impact craters.