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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 create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.

In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink.

In this activity, learners explore density and buoyancy as they design and construct rafts.