Volcanic activity

The area surrounding an inactive or extinct volcano is not necessarily calm. Let’s see the potential after-effects of once active volcanoes.

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The atmosphere

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The water cycle (basic)

Water on Earth is in a continuous state of change. The water cycle includes processes...

Abrasion coasts

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Icebergs

Icebergs are smaller or large blocks of frozen freshwater floating on the sea.

Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to...

Rivers and landforms

Rivers play an important role in shaping the Earth's surface: they cause erosion as well...

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