2. Amber (fossilized pine resin)

3. William Gilbert William Gilbert gave us the word electricity. It came from ‘elektron’ the Greek word for amber.

4. Benjamin Franklin’s kite experiment showed lightning was electricity.

6. Atoms are the tiniest particles of any element

7. Nucleus (positive charge) Electrons (negative charge) Electrons orbit the nucleus of an atom

8. Each orbit can hold a specific number of electrons Atoms prefer filled orbits to balanced charges So… Rubbing different materials together helps electrons move from one material to the other, which puts a positive charge on one and a negative charge on the other.

9. Unlike charges attract each other Like charges repel each other

16. Van de Graff generator & discharge ball

17. Van de Graff generator & flourescent bulb

18. Van de Graff generator & dancing ball

19. Van de Graff generator & volta’s hailstorm

20. Van de Graff generator & ribbon plume

21. Van de Graff generator & electric whirl

22. Van de Graff generator & volunteer hair