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In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

This activity (page 1 of the PDF under SciGirls Activity: Exercise and Memory) is a full inquiry investigation into the effects of exercise on short term memory.

Based of the The Tech Challenge 2015, learners will engage in two mini-design challenges related to seismic engineering.

What's a more compelling problem to solve than being stranded on a deserted island?

Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.