Electricity
Joshua Krausにより
1. Start Fires
2. Insulators
3. Generated
3.1. Hydroelectric
3.2. Windpower
4. Measured
4.1. Watts
5. In our homes
5.1. Outlets
5.2. Switches
5.3. Fuses
5.4. Cicuit breakers
6. Involves Charges
7. Form of energy
8. Conductors
9. You pay for it