Water
Water and Its Relatives
Land and Water
Land
Heights
100

A Large Body of Water

Ocean

100

A natural flow of water that runs through the land

River

100

An area of land surrounded entirely by water

Island

100

An area of densely wooded land

Forest

100

An area of rugged land that generally rises higher than 2000 feet

Mountain

200

A large part of the ocean that extends into land

Gulf

200

An ocean ridge made up of skeletal remains of tiny sea animals

Coral Reef

200

An area of land covered by shallow water

Wetland

200

An area of land near the ocean

Coast

200

An opening in Earth's crust where lava, ash and gases erupt

Volcano

300

Part of a large body of water that is smaller than a gulf

Bay

300

An area of land that sticks out into a lake or ocean

Peninsula

300

A circular depression formed when the roof of a cave collapses

Sinkhole

300

An area of low land between hills or mountains

Valley

300

A rounded elevated area of land smaller than a mountain

Hill

400

 A narrow body of water connecting two large bodies of water

Strait

400

A narrow piece of land connecting two larger land areas

Isthmus

400

An area in the desert with a water source

Oasis

400

A deep narrow valley with steep walls

Canyon

400

A hill of sand shaped by wind

Dune

500

An inland body of water

Lake

500

An area where a river deposits soil into the ocean

Delta

500

A large area of slow moving ice

Glacier

500

A nearly flat area

Plain

500

A large, flat, elevated area of land

Plateau