How to Bend Water

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This week’s experiment is quick and simple but sure to amaze!

You will need:

  • A balloon
  • An indoor tap
  • Clean dry hair

Method:

  1. Turn the tap on so there is a very thin but constant stream of water flowing
  2. Rub the balloon on your hair until you form static (about 10 seconds, until your hair begins to stand on end)
  3. Slowly bring the balloon close to the flowing water while being careful not to actually touch the water
  4. Watch the water bend towards the balloon!

 

The Science

When you rub the balloon on your hair, tiny electrons are collected on the balloon. These electrons have a negative charge. This causes the balloon itself to have an overall negative charge, therefore it is attracted to things with a positive charge (opposites attract!). The flow of water has a positive charge, therefore the attraction is strong enough to pull the water towards the balloon.

This is known as static electricity!

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