Khan Academy Static

Create a carbon dioxide-rich atmosphere in a cup and watch how it changes the water beneath it. This model of ocean–atmosphere interaction shows how carbon dioxide gas diffuses into water, causing the water to become more acidic. Ocean acidification is a change that can have big consequences.

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17271_Set_up_your_experiment_Tools_materials_and_assembly.html

17273_Challenge_Can_you_prove_that_diffusion_happens_both_ways_.html

17274_Experiment_tips.html

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