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This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

Build and test a scale model of a rainforest canopy walkway.

In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.