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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, learners use household materials to investigate and explore their ability to smell an odor.

In this activity (5th activity on the page), learners explore how what you see influences taste. In experiment 1, learners taste five sodas, one of which is clear soda with orange food coloring.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this math lesson, learners compare products to determine the best product.

Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.