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Visitors prepare six solutions combining vinegar and ammonia that range incrementally from acid (all vinegar) to base (all ammonia).

Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.

Using electrolysis, learners produce hydrogen gas and oxygen gas from water molecules in a solution.

Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity.

Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.