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Minerals

Rocks are a composed of minerals. These minerals can often be found in their pure forms.

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Atmosfærisk cirkulation

Forskellen mellem temperaturen i de polare og ækvatoriale zoner forårsager atmosfærisk...

Solar eclipse and lunar eclipse

We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.

The pollution of natural waters

Water is one of our key natural resources; we must protect it vigorously.

Vulkanaktivitet

Denne animation demonstrerer forskellige typer vulkanudbrud

Mineral or rock?

In this lesson you will learn more about minerals and rocks.

Tektoniske plader

Tektoniske plader kan bevæge sig i forhold til hinanden.

Vandfald

Vandfald danner hvor floden løber over en stejl afgrund.

El Niño

The El Niño phenomenon has a great effect on the Earth's climate.

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