In celebration of Chemistry Week, Remove have been investigating the effects of rising atmospheric carbon dioxide levels on the oceans. The pupils used pH meters to observe how breathing out carbon dioxide through a straw into seawater increases its acidity. They then investigated the impact of ocean acidification on organisms by comparing the different strengths of seashells which had been left for two days in normal and acidic seawater using masses. This helped raise pupils’ awareness of the challenges faced by climate change, which many of them will research further in their Futures projects.

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