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In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp

This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.

In this activity learners will build a neighborhood out of blocks and cardboard.

In this activity learners will build roller coasters and test them using small balls or marbles.

In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.