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Type: Multiple-Choice
Category: Fluid Mechanics
Level: Grade 7
Score: 1
Author: Teacher_T
Last Modified: 3 years ago

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Fluid Mechanics Question

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Grade 7 Fluid Mechanics

Why will a helium-filled balloon float in the air?
  1. There is more air than helium.
  2. Helium is less dense than air.
  3. Helium is as dense as air.
  4. Helium is more dense than air.