• What you need:
o Water bottle with a hole (1)
o Straw (1)
o Balloon (1)
o Binder clip (1)
o A container (height < 5”, Diameter > 6”)
o Food coloring
• What you will learn:
o Does air have any weight?
o Why can’t we feel any air pressure with air surrounding us?
o Daily application of air pressure
o Make a water pump with balloon
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