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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

In this activity, learners use open inquiry to learn about the process of science as well as gain experience regarding the Law of Conservation of Mass, dissolution, and density.

In this activity, learners conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.