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Static Electricity and Water

By Rookie Parenting Science Updated 05/15/2020

Here is a simple physics experiment you can do with your kiddo. 

You can bend water using the static electricity in a balloon.

Yes, you can BEND WATER! How cool is that?!

static electricity science experiment

Static Electricity and Water

Prep Time: 20 minutes
Active Time: 20 minutes
Total Time: 40 minutes

Materials

  • inflated balloon
  • your own hair (or a dry microfiber cloth)

Tools

  • kitchen faucet
  • adult supervision

Instructions

  1. Turn on the kitchen faucet to get a narrow, continuous stream of water.
  2. Rub the inflated balloon on your hair several times until some of your hair starts sticking to the balloon when you lift the balloon.
  3. Place the balloon near, but not touching, the stream of water.
  4. Observe how the water bends towards the balloon.

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Why

Every object is made up of small particles called atoms. A balloon comprises many atoms and so does your hair.

These particles are extremely small and you cannot see them without a microscope.

There are two types of charges in every atom — positive change(s) and negative charge(s).

Only negative charges are free to move.

When rubbed against the hair, the balloon picks up the free negative charges from your hair making the balloon negatively charged.

This imbalance of electric changes on the surface of the balloon is called static electricity.

Static electricity, unlike current electricity (e.g. simple circuit), does not flow through wires or conductors.

The charge remains there until it is removed.

How Does Static Electricity Bend Water?

Opposite charges attract.

When you bring the balloon close to the water stream, the negative charge attracts the positive parts in the water atoms.

The attraction pulls the water towards the balloon as it is flowing and bend the stream.

Tap water stream is straight, when a balloon is presented, the steam bends towards it, a static electricity science experiment.

References

Learn about Static Charge & Static Shock

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