Materials Rubbed

Together

Material which

would lose

electrons

Charge of the

material after

losing

electrons

Material which

would gain

electrons

Charge of the

material after

gaining

electrons

Example.

Hair and paper hair positive paper negative

1. steel and copper

2. hair and polyester

3. rubber and skin

4. vinyl and wood

5. hair and polyester

6. wool and silk

7. polyethylene and

cotton

8. vinyl and wood

9. cotton and paper​