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Water / Experiments

Tornado in a bottle

Discover how to reproduce a tornado in a bottle...

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Water / Graphs and Tables
Ice on the Earth

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What they are

Clouds are formed by microscopic drops of water or by small ice crystals...

The Foehn wind

The name Föhn (or Foehn) comes from the dialect of Tyrol...

Winds at ground level

Winds can be divided into ground level winds, that blow...

Circulation cells

Between the Equator up to 30° latitude (N or S), we find...