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In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.

In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,