Hydrostatic pressure and buoyancy under water

Hydrostatic pressure and buoyancy | balloon under water


  • Can you inflate a balloon under water?
  • What happens to the inflated balloon when it is pushed deep under water?
  • What happens analogously to organs, e.g. the eardrum and the (air-filled) lungs?

Content taught:

  • Inflating a balloon is also possible underwater. But: The hydrostatic pressure, i.e. the pressure that the water exerts on the balloon, makes inflation more difficult.
  • If you push an already inflated balloon underwater, the volume of the balloon shrinks with increasing depth and the buoyancy decreases.
  • Organs are also compressed analogously to the balloon with increasing water depth.


(((Deutsche Version)))

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