A
B
C
D
E
100

Part of the land that projects out into the sea.

CAPE

100

A piece of land completely surrounded by water.

ISLAND

200

When an earthquake happens under the sea, it can cause a...

Tsunami

200

Cracks in the Earth's crust can be deep enough to reach areas where there is magma.

Volcanoes

200

A steep underwater area that links the continental shelf with the ocean floor.

CONTINENTAL SLOPE

200

Continuous chain of mountains

MOUNTAIN RANGE

200

The result of the movement of the Earth's tectonic plates.

Earthquake

300

A group of islands close together.

ARCHIPELAGO

300

A thin channel of water that goes inland from the sea. Those created by glaciation are called fjords and are usually found on mountainous coastlines.

INLETS

300

A flat area of land at an altitude above sea level.

PLATEAU

300

They are large sections of the lithosphere that float on the mantle.

Tectonic plates

300

A large landform that is higher than the surrounding land

MOUNTAIN

400

 It is made up of different materials, including molten rock or magma.

Mantle

400

It forms the shape of an arc.

GULF

400

A large underwater mountain range.

OCEANIC RIDGE

400

A large piece of land surrounded by water on three sides. A peninsula is connected to land by a thin stretch of land called an isthmus.

PENINSULA

400

It is a layer of solid rock such as basalt or granite.

Crust

500

A flat area of ocean floor, found at depths of between 3 000 and 7 000 metres.

ABYSSAL PLAIN

500

Long basin in the land. It can be V-shaped or U-shaped

VALLEY

500

The undersea extension of a continent that descends gradually to depths of around 400 metres. They can extend for many kilometres out to sea.

CONTINENTAL SHELF

500

A long basin on the ocean floor that often reaches depths of 6 000 metres, and sometimes 11 000 metres

OCEANIC TRENCH

500

An area of land lower than the surrounding area

DEPRESSION