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Chromatography atmosphere

Surrounding the Earth, like a blanket, is the atmosphere. Without it we couldn’t survive. The atmosphere is a layer of gases, the air, which plants and animals use to respire. It is made up of 78% nitrogen and 21% oxygen, as well as many other gases in much smaller quantities.

This unit gives children a basic knowledge of the Earth’s atmosphere and the ozone layer. The children will use chromatography to model the atmosphere surrounding the Earth.

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