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YOU ARE GROUNDED!

Remove static charges in clothing by grounding them

Suitable For

Grade 6

Difficulty

2

Time Required

 <12 Hours

Supervision

Advised

What’s it about?

The earth’s surface or the ‘ground’ is considered to be a neutral point of zero volts. ‘Grounding’ or ‘earthing’ of electrical equipment simply means connecting them with a wire to the earth. Earthing of electrical systems is required for a number of reasons, but mostly to ensure the safety of people using the equipment and to prevent damage to the equipment itself in the event of a fault occurring.

The function of an ‘earth wire’ is to provide a low resistance path so that a high voltage current can drain off to the earth grounding. Clothes in a laundry dryer often build up a lot of annoying static electricity during operation. Make a ‘grounding’ device for draining static build up on such clothes to the earth in the following science experiment:

Topics covered

Static electricity, Grounding

What will I need?

  • CLOTHING ITEMS
  • WIRE COAT HANGER
  • SOLID CORE WIRE
  • METAL ROD
  • HAMMER
  • WIRE CUTTERS

Procedure (Method)

Unfortunately, this section is only available in the e-book version of the project.

How does it work?

Unfortunately, this section is only available in the e-book version of the project.

Static electricity results from an unequal (positive and negative) charge between two objects. It often creates an annoying spark that can startle and sometimes jolt you unexpectedly, such as when removing clothes from a dryer in this science experiment. Static electricity accumulates in areas and on objects where the charge cannot escape. The static build-up on the clothes is neutralized by ‘grounding’ it with the wire coat hanger, which is connected to the earth’s surface.

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