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Man in a Box

Topic: 5C Gases around us

Prof Iain Stewart, the geologist and TV presenter, sealed himself in a foliage-filled chamber as part of a TV programme. The transparent box, measuring just 2m by 8m by 2.5m, contained nowhere near enough oxygen when it was shut to keep someone alive for 48 hours. To stay alive, Prof Stewart was relying on 150 plants, which would produce the oxygen he needed to keep breathing until he was released.

In this activity children will learn that air is composed of various gases. They will determine the importance of carbon dioxide and oxygen by looking at the results of an investigation. Children will make predictions for different scenarios and draw conclusions.

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