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Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere.

With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

Using two baby food jars, food coloring, and an index card, you'll 'marry' the jars to see how hot water and cold water mix.

In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.

In this activity, learners conduct a simple experiment to see how electrically charged things like plastic attract electrically neutral things like water.

In this activity, learners use gelatin as a lens to investigate the properties of laser light.