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In this activity, learners explore how the hull shape impacts a ship's performance and stability.

Using simple, inexpensive items, learners build and test submarine models.

In this activity, learners explore how engineers design tire treads to increase safety and reliability.

In this activity, learners make a small batch of biodiesel that will work in any diesel engine. Learners use an old juice bottle as a "reactor" vessel to chemically process vegetable oil into fuel.

In this activity, learners discover how NASA engineers develop experimental aircraft.

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