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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

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

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

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.