Erosion Quiz

What is erosion?

• The process of planting trees

• The process of carrying soil, sand, or rocks away

• The process of creating sand dunes

• The process of building roads

Which natural force can cause erosion?

• Electricity

• Magnetism

• Water

• Fire

What can rainfall do to soil?

• Freeze it

• Wash it away

• Make it grow

• Color it

How can strong winds affect soil?

• They can plant it

• They can freeze it

• They can blow it away

• They can make it wet

What do glaciers do?

• They melt quickly

• They blow wind

• They move slowly and drag soil

• They create rain

What is one human activity that can cause erosion?

• Creating gardens

• Building parks

• Cutting down trees

• Planting flowers

How can planting trees help prevent erosion?

• Their roots hold the soil together

• They attract animals

• They make the soil wet

• They create shade

What is a method farmers use to slow down water flow?

• Using chemicals

• Building fences

• Creating terraces

• Planting flowers

What does spreading mulch do?

• It makes soil hard

• It attracts insects

• It protects soil from wind

• It helps soil grow

What can barriers do?

• They can stop soil from being carried away

• They can create rain

• They can grow plants

• They can stop animals