Weathering and Erosion

Lichen can both physically and chemically _______ rocks.

• build

• deposit

• erode

• weather

How does wind cause weathering?

• wind can not weather rocks

• wind blows sand to create new landforms

• wind blows sand from one rock surface to another

• wind blows sand against the rock's surface breaking it down

Tags

NGSS.MS-ESS2-2

When water freezes in cracks of rock and expands, causing it to break apart. What type of weathering is this?

• biological

• chemical

• physical/mechanical

• erosional

Tags

NGSS.MS-ESS2-2

This student is blowing sand from one part the the pan to another demonstrating ________ to the class.

• erosion

• weathering

• how soil is formed

• deposition

Which statement DOES NOT describe how rocks can be weathered?

• water fills cracks inside a rock

• rock pieces are moved from one place to another

• plant roots grow between cracks

• living things, like moss or lichen, breaks down rocks.

Over a period of many years, how will a huge jagged rock sitting atop a wind cliff MOST LIKELY change?

• it will become larger and smoother

• it will become smaller and smoother

• it will become bigger and less smooth

• it will become smaller and less smooth

Tags

NGSS.MS-ESS2-2

What MOST LIKELY caused rocks that are close to the water to be smoother than rocks father away from the water?

• birds pecking at the rock

• fish swimming over the rocks

• waves crashing down on the rocks

• the sun shining on the rocks

Tags

NGSS.MS-ESS2-2

Which statement is NOT and example of physical/mechanical weathering?

• plant roots push into rocks and break them apart

• animals burrowing and digging in the ground

• grinding action of glaciers

• frost wedging

• lichen, the soil formers, slowly eat away the surface of the rocl

Which statement is NOT and example of chemical weathering?

• acidic water moving through rocks reacts with the minerals

• frost wedging

• iron-containing rocks react with water and oxygen in environment

• lichens, the soil formers, slowly eat away the surface of rocks

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering
• Erosion

Tags

NGSS.MS-ESS2-2