G4 Science U3M1

Click all the ways Erosion can happen (Click more than 1)

• By gravity

• By wind

• By water

• By sunlight

What is the difference between Weathering and Erosion?

• Weathering moves the rocks, Erosion breaks the rocks

• Weathering breaks the rocks, Erosion moves the rocks

How does erosion happen? Select all answers that apply.

• Wind

• Water

• Glaciers

• Earthquakes

What can cause beaches to disappear?

• Volcanoes

• Hurricanes

• Cutting down trees

• Glaciers

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

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

Which agents  break down earth materials?

• wind only
• earthquakes and gravity
• ice and 007
• wind, water, and ice

Rain washing away soil from a hillside

• Weathering

• Erosion

• Deposition