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In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.

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

In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.

In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.