Summary
Stuck in a submarine, the class has to figure out how to rise and sink on purpose. They explore why some things float and others sink.
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All ages
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Teaching resources
Discussion questions
Discussion
Stuck in a submarine, the class has to figure out how to rise and sink on purpose.
- What makes a heavy ship float when a small bolt sinks?
- How could you make a lump of clay float?
- What does a submarine change to sink or rise?
Quick work-a-long
Vocabulary: buoyancy, density, float.
Try it: Shape foil into a boat and count how many coins it holds before sinking.