Preventing Landslides

Which of the following is NOT one of the causes of landslides?

• earthquakes

• wind erosion

• fires

• volcanic eruptions

When a lot of loose dirt and rocks fall quickly, we call it

• a landslide

• a tsunami

• an earthquake

• a flood

True or False
Freezing and thawing of rocks can cause a landslide.

• True
• False

What is erosion?

• breaking down of materails

• carrying away and moving of materials

Landslides can be prevented by... (choose two)

• Planting more plants

• Building a road on the mountain

• Putting rocks or metal on the slope

• Building a tunnel under the mountain

Prevent means...

• To make something happen

• To get ready for something before it happens

• To stop something before it happens

What is one way that wind can harm land?

• Wind can blow soil away.

• Wind can cause more rain.

• Wind can cause a big wave.

How can farmers keep wind from blowing away rich soil?

• They build canyons.

• They use rows of farm buildings.

• They plant trees and shrubs to block wind.

Which choice will work BEST to prevent landslides?

• plants and trees

• Small walls

• Wires and brackets

• tunnels

What type of earth change has occurred?

• landslide

• earthquake

• flood