The Moving Crust
Shaping Earth's Surface
Earth's Landforms
100

An opening in Earth's crust that shoots out lava and magma. 

What is a volcano?

100

The force that pulls objects and people downward. (It makes objects drop.)

What is gravity?

100

A large body of salt water.

What is an ocean?

200

A sudden movement in Earth's crust.

What is an earthquake?

200

A large mass of slowly flowing ice.

What is a glacier?

200

A landform that rises high above the ground (and occassionally has snow at the top).

What is a mountain?

300

Huge waves that cause massive destruction.

What are tsunamis? 

300

The process of breaking down rocks and other materials.

What is weathering?

300

An area with very little precipitation (rain) that is typically covered in sand.

What is a desert?

400

A landform built by volcanoes.

What are islands?

400

The process that moves weathered rocks from one place to another (using gravity, glaciers, running water, wind, or waves).

What is erosion?

400

A wide, flat area (that is typically covered in grass).

What is a plain?

500

Earth's moving continents and ocean floor.

What is plate tectonisc

500
When chemicals break down rocks.

What is CHEMICAL weathering?

500

A deep valley with high, steep sides.

What is a canyon?

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