Exam 10: Weathering, Soil, and Erosion

If you decide to buy a farm in the southeastern United States, ultisols or red clay soils would be the soil of choice because it is highly fertilized or nutrient enriched.

If you are in a forest and see a tree stump breaking apart a rock, what type of weathering would this be considered?

The ____ is the maximum slope or steepness at which loose material remains stable.

If you see a rock that has been abraded by wind, you have observed a special type of chemical weathering called dissolution.

If you go to the desert and see red rocks that have been rusted because of their iron content, oxidation caused this to occur because the minerals reacted with oxygen.

If you go to a beach with very durable sand, it likely came from the weathering of granite and the durable mineral in the sand is called what? ______________________

When Mount St. Helens erupted in 1980, the meltwater from melting glaciers at its summit caused what type of mass wasting to occur? ____________________.

Explain how slope and steepness impact mass wasting.

The sculpting of rock formations by blowing sand is an example of ____.

A high-latitude soil that forms over permafrost is called a(n) ____.

Weathering is the decomposition and disintegration of rocks and minerals at Earth's surface by ____.

Earthworms would most likely exist in which specific soil horizon which consists mostly of organic litter and humus, with a small portion of minerals? __________________

If you wanted to see the fastest type of mass wasting, you would want to see a rock fall.

Rusting is an example of ____.

If you see a block of material that has slid downhill as a consolidated unit over a gently curved fracture, you have observed what specific type of mass wasting? __________________________

If you soak a rock in pure water, it will not dissolve quickly like it would in acidic and basic solutions.

Explain why alfisols are used frequently in agriculture and discuss how they form.

One good defense against mass-wasting damage on a hillside is to ____.

In soils, leached ions and clay frequently accumulate in the ____.

If you have a ____________ under your house, it would likely move at a rate of about one centimeter per year and it may damage your walls and fences over time.