Tropical cyclones
Cyclones are large areas of swirling air with clouds and precipitation being formed inside.
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Terms of physical geography
This animation demonstrates the most important relief features, surface waters and their...
Solar eclipse and lunar eclipse
We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.
Folding (intermediate)
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
The Earth’s magnetic field
The Earth’s magnetic North and South poles are located near the geographic North and...