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In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra

In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Learners experiment with different solutions to this very problem.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

This is an activity about turbidity, or the amount of sediment suspended in water.