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Seventh Grade (Grade 7) Fluid Mechanics Questions

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Grade 7 Fluid Mechanics
Grade 7 Fluid Mechanics
Fluid pressure is always directed
  1. up.
  2. down.
  3. sideways.
  4. in all directions.
Grade 7 Fluid Mechanics
A helium-filled balloon will float in air because
  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.
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