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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

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

In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.