Weathering and Erosion

Front

Lichen can both physically and chemically _______ rocks.

Back

weather

Front

How does wind cause weathering?

Back

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

Tags

NGSS.MS-ESS2-2

Front

What type of weathering occurs when water freezes in cracks of rock and expands, causing it to break apart?

Back

physical/mechanical

Front

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

Back

erosion

Front

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.

Back

rock pieces are moved from one place to another

Front

How will a huge jagged rock sitting atop a wind cliff most likely change over many years?

Back

It will become smaller and smoother.

Tags

NGSS.MS-ESS2-2

Front

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

Back

waves crashing down on the rocks

Front

Which statement is NOT an example of physical/mechanical weathering? Options: 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 rock.

Back

lichen, the soil formers, slowly eat away the surface of the rock

Front

Which statement is NOT an 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

Back

frost wedging

Front

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

Back

Weathering