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

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this online activity, learners make a whole rainbow by mixing red, green, and blue light. They can change the wavelength of a monochromatic beam or they can filter white light.

In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.

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.