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Geology Erosion and Weathering Quiz

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Questions and Answers

What is the primary process responsible for creating sediment?

Erosion

Metamorphism

Depositional Sorting

Weathering (correct)

Which statement accurately describes physical weathering?

It leads to the melting of igneous rocks.

It involves breaking rocks down without changing their chemical makeup. (correct)

It is solely caused by biological activity.

It alters the chemical composition of minerals.

What characterizes erosion?

It involves the removal of weathered materials from the Earth's surface. (correct)

It is a process that only occurs during extreme weather events.

It is independent of weathering processes.

It is the initial process in the formation of sedimentary rocks.

What is an example of freeze-thaw weathering?

Water freezing in rock cracks and causing expansion. Signup and view all the answers

Which process does NOT describe erosion?

Creation of sediment from chemical reactions. Signup and view all the answers

What occurs during the hydrolysis process in erosion?

Minerals in rocks react with water to dissolve or form new compounds. Signup and view all the answers

Which of the following describes oxidation in chemical erosion?

The reaction of oxygen with substances in rock forming oxides. Signup and view all the answers

How do acids contribute to chemical erosion?

By dissolving minerals and making rocks more susceptible to breaking. Signup and view all the answers

What is the primary cause of water erosion?

The dislodging and transporting of sediment by flowing water. Signup and view all the answers

Which process involves the physical or chemical breakdown of rocks by living organisms?

Biological erosion Signup and view all the answers

What type of erosion is caused by the movement of glaciers?

Ice or glacial erosion Signup and view all the answers

How does gravity contribute to erosion events?

By pulling rocks downhill during landslides or debris flows. Signup and view all the answers