Static electricity.

Static electricity.

1. Definition

   • Electrical CHARGES generated on the surfaces of objects by rubbing
   • first define by scientist William Gilbert.

2. charges

   • Positive (+)
   • negative (-)
   • attraction/ repulsion
     • Likely charges - repel.
     • Opposite charges- attracts

3. Where this happens naturally.

   • Lighting
     • Clouds get charged as water molecules rub each other. These charges discharge either to earth or another cloud
   • ' tic' sound when ironing synthesis materials.
   • Attraction of hair to old TV screen