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In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.

As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal.

In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.