Weathering and Erosion

Fragments of weathered rock

• Sediment

• Rocks

• Minerals

• Ore

A larger block of rock will weather more slowly than smaller broken pieces of the same rock.

• True

• False

Tags

NGSS.MS-ESS2-2

Which of the following are factors that influence the rate of weathering? Select all that apply.

• Composition

• Surface area

• Location

• Climate

Climate does not affect the rate of physical or chemical weathering.

• True

• False

The process by which wind, water, ice, or gravity transport weathered materials from one location to another.

• Erosion

• Deposition

• Weathering

• Wind

Tags

NGSS.MS-ESS2-2

Which processes could be primarily responsible for the formation of the alluvial fan shown in the photo? Select all that apply.

• wind storms coming through the base of the mountains into the valley

• water flowing down from the mountains and depositing sediment at the base

• rocks and boulders falling down the mountains and piling up at the base

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How does a glacier affect an area? Select all that apply.

• As a glacier moves across a valley is deposits rocks and boulders.

• Glaciers can form jagged peaks and flatten or scoop out large sections of land creating valleys.

• Glaciers erode soil, rock, and large boulders from the valley floor and carry them off.

Tags

NGSS.MS-ESS2-2

Which of the following are examples of water and gravity working together to erode soil, sediment, and rock? Select all that apply.

• Wind carries sediment and then it continues to travel in waves.

• Streams flow because of gravity. The flow causes erosion of material in its path.

• Gravity causes glaciers to move down-slope, and glaciers erode rock underneath of them.

Tags

NGSS.MS-ESS2-4

Which of the following is a factor in weathering caused by gravity?

• size of the boulders at the base of the glacier

• presence of living organisms on the rocks

• presence of water at one end of the glacier

• slope of the ground that the glacier is on

Which statements describe physical weathering? Select all that apply.

• Two rocks hit against each other in a fast-flowing stream and break apart.

• Oxygen and water change the composition of the minerals in a rock.

• Small rocks are pushed together when a mole digs an underground den.

• Mosses grow on a rock and produce acids that wear away the rock over time.

Tags

NGSS.MS-ESS2-2