Live investigation: an ‘acid’ Arctic | ages 7-11 / KS2 (video)

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This fun live lesson investigation aims to show how water becomes more acidic when carbon dioxide is bubbled through it. It demonstrates the link between carbon dioxide in the atmosphere and a process called ocean acidification, a change in the pH or acidity of the ocean.

Students will also observe over time the effects of acid on chalk (standing in as an example of animals with ‘chalky’ structures or skeletons).

YouTube, 26 April 2022. Video.

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