ELECTRICITY

The last unit is about ELECTRICITY. You have some links that will help you :

how things work
ELECTRONIC PRESENTATION
ELECTRICITY
Circuit Construction Kit

Circuit World

: Comparing a DC circuit to the flow of water

A simple buzzer

Resources

Electric components
electrical magnitudes
Ohm's Law

Ohm´s Law practice
problems
electrical power

GAME

ELECTRIC POWER

CONTROLA

And in this video you will learn the electric symbols but with a Kung Fu style