Agents of Erosion

Weathering is...

• The movement of rock and sediment

• The breaking down of rocks by chemical or physical means

• not this one

• The laying down of rocks in a new location

What is the agent of erosion?

• Wind

• Water (Rivers)

• Waves

• Ice (Glaciers)

• Gravity

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is the agent of erosion?

• Wind

• Water (Rivers)

• Waves

• Ice (Glaciers)

• Gravity

Tags

NGSS.MS-ESS2-2

What is the agent of erosion?

• Wind

• Water (Rivers)

• Waves

• Ice (Glaciers)

• Gravity

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is the agent of erosion?

• Wind

• Water (Rivers)

• Waves

• Ice (Glaciers)

• Gravity

Tags

NGSS.MS-ESS2-2

What is the agent of erosion?

• Wind

• Water (Rivers)

• Waves

• Ice (Glaciers)

• Gravity

Tags

NGSS.MS-ESS2-2

What is the process of moving sediments from location to another?

• Deposition

• Erosion

• Weathering

• Compaction

What is sediment?

• the process of rocks being broken down and carried away
• bits of rock, sand, and silt caused by the weathering of rocks
• the top layer of the soil
• decaying plant or animal material 

Which of these is an example of erosion?

• Light shinning onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

Tags

NGSS.MS-ESS2-2

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides