SOIL EROSION

What is weathering?

• the process of moving sediment from one place to another
• the breaking down of rocks on Earth's surface
• the remains of decayed plants and animals

Tags

NGSS.4-ESS2-1

If wind, water, or ice move sediment from one place to another, it is called...

• erosion.

• weathering.

What happens immediately after rainwater dissolves rock under the ground?

• the opening becomes larger and larger as time passes
• it caves in

Which of the following can cause weathering?

• fertilizing the land
• minerals and humus
• water, wind, plants, and animals

Tags

NGSS.MS-ESS2-4

What is weathering?

• The movement of rocks

• The breaking of rocks

• The dropping of rocks

Small pieces of rock that have been weathered from a larger rock are known as...

• sand

• sediment

• soil

Tags

NGSS.MS-ESS2-2

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 

Tags

NGSS.4-ESS2-1

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.4-ESS2-1

Rain washing away soil from a hillside

• Weathering

• Erosion

Wind blowing sand from one location to another

• Weathering

• Erosion