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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.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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In this activity, learners explore density and buoyancy as they design and construct rafts.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes