Erosion

Landforms and Water

100

 I am a large area of salt water. People sail ships on me. What am I?

Ocean

200

I am a high piece of land with steep sides. People sometimes climb me. What am I?

Mountain

300

 I am a body of fresh water that is smaller than a lake and often has plants and animals living in me. What am I?

Pond

400

I am a low area between hills or mountains where a river might flow. What am I?

Valley

500

I form where a river meets the ocean and creates many small channels and soft land. What am I?

Delta

What Causes Erosion?

100

I blow and can move soil from one place to another. What am I?

Wind

200

 I fall from clouds and can wash soil away. What am I?

Rain

300

 I move slowly but can carry rocks and soil with me, changing the land. I am frozen water. What am I?

Glacier

400

When waves hit the shore and carry away sand, what is that process called?

Wave erosion or coastal erosion

500

People dig away plants and trees and the soil washes away more easily. What human action can cause erosion?

Removing vegetation / deforestation / clearing plants

Ways to Prevent Erosion?

100

 Planting these helps hold soil in place with their roots. What are they?

Trees (plants or grass)

200

A man-made wall of rocks or concrete built to keep soil from washing away near water is called what?

Retaining Wall

300

Farmers plant a different crop each season to keep soil healthy and in place. What farming method is this?

Hint: two words

Crop rotation

400

What is the object that can be placed along the shoreline to break the force or waves?

Rock or Rock barrier

500

Building a gentle step-like pattern on a steep slope so water runs off slowly and soil stays put — what is this called?

Terrace