Build literacy skills while making predictions with this sink-or-float activity. It's fun to learn about new concepts in a hands-on way. This family does just that with a sink-or-float activity you ...

It makes sense that a balloon filled with a lightweight gas such as helium would float when surrounded by heavier air. But why does filling a huge balloon with hot air also make it float? This ...

Challenge children to predict whether the object will float or sinkin a trough of water using what they find in the garden. Encourage them to explore and examine each object, describing it with STEM ...

A simple sink or float activity is a beginner science experiment that introduces young learners to the properties of density and buoyancy. An unpeeled orange floats while a peeled orange sinks.

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