Erosion and Its Causes

What is erosion?

• When animals sleep during winter

• When people plant flowers

• When rocks and soil are moved by wind or water

• When trees grow in the forest

Which of these can cause erosion?

• Water

• Wind

• Ice

• All of the above

What does water do to cause erosion?

• It makes trees grow

• It washes away dirt and rocks

• It helps people swim

• It makes animals thirsty

What can wind do to the land?

• Blow away soil and sand

• Water the plants

• Make it rain

• Freeze the ground

How do plants help stop erosion?

• Their roots hold the soil in place

• They blow in the wind

• They make the ground slippery

• They grow really tall

Can erosion be helpful sometimes?

• No, it is always bad

• Yes, it makes new landforms like canyons

• Only when it’s windy

• Only in deserts

Which of these things can make erosion worse?

• Planting trees

• Picking up trash

• Cutting down trees

• Cleaning rivers

What is one way people can stop erosion?

• Build tall buildings

• Use giant fans

• Plant grass and trees

• Let animals dig holes

What can erosion do to the land over a long time?

• Make it rain more

• Turn it into candy

• Change the shape of land or wash it away

• Make it grow taller

If you were a scientist studying erosion, what would you want to learn?

• What erosion smells like

• How erosion changes the Earth

• If erosion likes ice cream

• How fast plants grow