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This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.

Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water.

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.

In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

In this hands-on botany activity, learners sprout vegetables in film canisters.

In this physics activity, learners will explore buoyancy.

In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.