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

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity, learners explore the concepts of density and basic chemical reactions as they create a homemade lava lamp effect using water, oil, food coloring, and Alka-Seltzer tablets.

Learners will build and experiment with their own windmills made from simple household materials.

Heat makes some materials expand, and it makes others shrink.