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This game asks you a series of questions about how much time you spend in front of a screen, not being active.

In this activity, learners use their sense of smell to explore the world on the nanoscale.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

Learners use Duplo bricks to build antibodies with shapes that match model viruses.

This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.

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.

This game presents you with several different choices you can make in the course of your everyday life to increase your level of physical activity and be healthier.

In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

In this math activity, learners guess which cereals contain the most sugar. Learners use the nutrition labels on the cereal boxes to find the cereal with the least amount of sugar.

In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.

In this activity, learners examine nanoscale structures of common things.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

This is an online simulation of how sound changes due to environment. How does place--like a cave, a pier, or a forest--affect certain sounds?

In "Chemistry Makes Scents," participants use their noses to distinguish between chemicals with very similar structures.