Make a Barometer
Oct16

Make a Barometer

We have looked at air pressure with eggs before. This experiment shows you how to make a Barometer which measures air pressure. What you need: a jar or coffee can an elastic band a pin or cocktail stick tape glue straw paper Instructions Blow up the balloon a little bit, the more air in the balloon, the greater the pressure outwards which is what makes the balloon blow up. Let the air out of the balloon and cut the tie end off....

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