How Can a Single Piece of Plastic Float an Entire Ship?

Buoyancy is like a superpower that things underwater get. Imagine you're wearing a life jacket, it helps you float, right? Now picture the tiny piece of plastic as that life jacket for the ship. The plastic pushes the water out of the way and makes room for the ship, so it floats even though the plastic is small.

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Examples

  1. A life jacket helps you float in water
  2. A small balloon can hold up a big toy boat
  3. A tiny sponge helps a large rubber duck float

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