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In an investigation called "Shape It!" learners craft tiny boats out of clay, set them afloat on water and then add weight loads to them, in order to explore: how objects stay afloat in water; what th

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

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