Water Forms
Mountains and Land Rises
Valleys and Depressions
Coasts and Shores
Islands and connections
100

This is a large body of saltwater, bigger than a sea.

What is an ocean?

100

A natural elevation of the Earth’s surface, taller than a hill.

What is a mountain?

100

A low area between hills or mountains.

What is a valley?

100

The land along the edge of a sea or ocean.

What is the coast?

100

A ridge of coral just under the surface of the water.

What is a reef?

200

A river’s starting point is known as this.

What is the source?

200

A series of connected mountains.

What is a mountain range?

200

A deep, narrow valley with steep sides.

What is a canyon?

200

A curved area of sea partly enclosed by land.

What is a bay?

200

A piece of land completely surrounded by water.

What is an island?

300

A small stream or river that flows into a larger one.

What is a tributary?

300

A large, flat elevated area higher than the land around it.

What is a plateau?

300

A low area of land where water collects and drains.

What is a basin?

300

A deep inlet of the sea with a narrow mouth.

What is a gulf?

300

A narrow body of water connecting two larger bodies of water.

What is a strait?

400

A fan-shaped deposit of sediment where a river meets a larger body of water.

What is a delta?

400

A flat-topped hill with steep sides, found in deserts.

What is a mesa?

400

A valley carved by glacial activity.

What is a fjord?

400

A place along a coast where ships can dock safely.

What is a harbor?

400

A body of land surrounded by water on 3 sides.

What is a penisula?

500

A body of water surrounded by land, not as big as a sea.

What is a lake?

500

A mountain that can erupt.

What is a volcano?

500

A large mass of moving ice.

What is a glacier?

500

A high, steep rock face near the sea.

What are cliffs?

500

A hill or ridge of sand piled up by wind.

What is a dune?

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