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In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.

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 open inquiry to learn about the process of science as well as gain experience regarding the Law of Conservation of Mass, dissolution, and density.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.