The water cycle (intermediate)

Water on Earth is in a continuous state of change. The water cycle includes processes such as evaporation, precipitation, melting and freezing.

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Karst region (intermediate)

Karst formations include dolines and dripstones.

The weather forecast

The weather can be forecast with different meteorological instruments.

The Tundra: a green-edged icy wasteland

Is the tundra region as cold and deserted as many people think?

Folding (advanced)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.


A geyser is a spring characterised by intermittent discharge of water and steam.

The soil

Soil is the loose, uppermost, fertile layer of the Earth’s crust.


It is a sedimentary rock made up of loosely structured, rough grains of rock.

The Equatorial Climate

Introducing the characteristics of the tropical rainforest climate

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