8th Grade Prax Weathering and Erosion

What type of weathering is it when acid rain breaks down and changes the rock?

• chemical

• mechanical

• erosion

• precipitation

When materials containing iron are exposed to water and oxygen, oxidation can occur. This is an example of

• deposition

• mechanical

• erosion

• chemical weathering

What is wind abrasion?

• deposition

• wind blown sediment strikes a surface

• erosion

• chemical weathering

What is erosion?

• deposition

• wind blown sediment strikes a surface

• The movement of sediment from one place to another

• chemical weathering

What is formed when the Mississippi River flows south into the Gulf of Mexico and deposits sediment?

• delta

• wind blown sediment strikes a surface

• The movement of sediment from one place to another

• chemical weathering

When sediment is dropped off in a new place, it is called:

• delta

• erosion

• The movement of sediment from one place to another

• deposition

What is a broad, C-shaped curve in a stream called?

• wind abrasion

• erosion

• meander

• deposition

What causes sand dunes to form?

• wind

• rain

• rocks

• deposition

What is weathering?

• acid rain

• rust

• breaking down rocks into sediment

• deposition

When gravity, ice, wind, or water moves sediment, it is called:

• deposition

• rust

• erosion

• deposition