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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.

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

In this activity, learners explore watercraft engineering and sailing.

In this activity, learners explore how engineering has impacted the manufacturing of canoes over time, including the development of new, durable, and lighter materials.

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

In this activity, learners explore how boats are engineered to achieve speed.

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

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