What Are the Features of Earth's Surface?
How Do Rocks Change?
What Happens to Weathered Rocks?
How Do People Change Earth's Surface?
How Can Land Cnange Quickly?
100
Are mounds of wind blown sand.
What sand dunes?
100
Any process that causes rocks to crack, crumble, and break.
What is weathering?
100
The process that moves around weathered rocks and other weathered materials.
What is erosion?
100
Forest are cut down.
What people do for more land?
100
Violent storm with wind and heavy rain.
What is a hurricane?
200
The highest landform.
What is a mountain?
200
Air and water weather rocks.
What are chemicals?
200
A huge mass of ice and snow that moves.
What is a glacier?
200
A small, powerful windstrm over land that looks like a gaint funnel.
What is a tornado?
200
A huge flow of water over land that is usually dry.
What is a flood?
300
A deep narrow valley with steep sides.
What is a canyon?
300
When water freezes inside a rock it can crack.
What changing temperatures?
300
Pull rocks down mountains and hills.
What is gravity?
300
Builders dig into hills or mountains.
What is roads?
300
A sudden movement in rocks that make up the Earth's crust.
What is an Earthquake?
400
Is where the ocean meets the land
What is the coast?
400

What can change the look of rock?

Rushing water, strong winds, and growing plant roots weather rocks.

400
Carry weathered rocks over long distances.
What are rivers and streams?
400
Ponds and swamps.
What is wetlands?
400
An opening in the Earth's surface.
What is a volacano?
500
Wide flat land.
What is a plain?
500
It may take many years to break a rock.
What is weathering usually happens slowly and can be hard to see?
500

Blows soil and sand.

What is strong winds?

500
Changing the Earth wisely.
What is keeping the Earth a wonderful place to live?
500
The largest and most powerful of all storms.
What is a hurricane?
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