Incredible Growing Marshmallows - MSNewsNow.com - Jackson, MS

Incredible Growing Marshmallows

Ingredients:

  • Vacuum packer
  • Vacuum packer storage containers
  • Marshmallows of various sizes

Lesson:

Air is always pushing on everything, including the marshmallows.  When you use the vacuum packer to remove the air inside the container, the air inside the marshmallows pushes out (it expands), causing it to get larger.  The marshmallows shrink when the vacuum seal is broken and air rushes back into the container.

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