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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.

In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion.

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties.

This activity introduces learners to the structure and properties of carbon nanotubes.