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World 5 · Buoyancy & floating · 6 min · PRO

The water you push aside

Archimedes’ principle under a clamp

PRO · Forces & Motion

World 5: Buoyancy & floating is part of PRO

The first world of Forces & Motion is free. PRO opens the other 50 lessons in 11 worlds — simulations, quizzes and all.

  • A block that neither rises nor sinks
  • Why salt water lifts you higher
  • A release takes time
  • Same volume, different journey
  • How the same metal can float
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  • All 26 labs — every world, every lesson
  • Practice exams and certificates

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