Surface of Earth
Gradual Changes
Sudden Changes
Natural Disasters
Earth Layers
100
An area that is higher than the land around it
What is a Mountain
100

Gradual changes happen fast or slow?

Slow

100

Large amount of dry soil and rock that slides down a steep slope

What is Landslide?

100
A mountain that forms a lava flow
What is a Volcano
100
Earth has this many layers
What is Four
200

A natural feature on Earth's surface

What is a Landform

200

Removal of soil and rock by wind or water.

What is a Erosion?

200

A large amount of wet soil and rock that slides down a steep slope

What is Mudslide?

200
Shaking of Earth's surface caused by movement of rock in the crust
What is an Earthquake
200

The rock layer below the crust

What is Mantle

300

The height of a mountain above sea level.

What is Elevation?

300

A valley with steep sides

What is a Canyon?

300

Large amount of snow, soil, and rock that slides down a mountain

What is Avalanche?

300

A series of large ocean waves caused by an underwater earthquake

What is Tsunami?

300

Earth's thin outer layer is the

What is Crust?

400
An area with higher land around it is a
What is Valley
400

Erosion may form a mountain or valley?

What is Valley?

400

Their flow may be blocked as a result of a landslide

What is River?

400

The volcano that hasn't erupted in recent years.

What is Dormant?

400
Rocks that get so hot that they melt, and start to flow as liquid, is called
What is Magma
500

Is the land more fertile on a mountain top or valley bottom?

What is Valley Bottom?

500

Glaciers may change landforms - true or false?

True

500

Dunes form when X carries Y

What is X=Wind and Y=Sand

500

Crack in the earth's crust

What is Fault?

500

Earth's crust and upper mantle are broken into large slabs of rock called

What is Tectonic Plates?