This activity shows how water becomes more acidic when carbon dioxide is bubbled through it.

This activity shows how water becomes more acidic when carbon dioxide is bubbled through it.

This activity shows how water becomes more acidic when carbon dioxide is bubbled through it. It demonstrates the link between carbon dioxide in the atmosphere and ocean acidification. Activity: Ocean Acidification in a cup 10 minutes preparation 30 minutes activity You’ll need: 2 clear plastic cups Drinking straw pH indicator (e.g. red cabbage water) Tap water Sparkling mineral water (optional) Instructions: https://encounteredu.com/take-action/ocean-acidification-in-a-cup