1. Electric Charge IPC NOTES

2. ELECTRIC CHARGE static electricity – the net accumulation of electric charge or electrons on an object

3. ELECTRIC CHARGE An electric charge can be detected using an electroscope. The 2 thin metal leaves will repel when an object is charged and hang straight down when an object is not charged.

4. ELECTROSCOPE

5. Why does this happen? Electricity is the build-up of electrons. All electrons are negative and like charges repel.

6. CONDUCTORS conductor – a material that allows electrons to move easily through it ex) metals

7. INSULATORS insulator – a material that does not allow electrons to move easily through it ex) plastic, wood, rubber, glass

8. TESTING CONDUCTIVITY Electrical conductivity can be tested with a simple circuit.

9. TESTING CONDUCTIVITY If the 2 metal prongs are touching a conductor, the light will light up indicating the circuit is complete.

10. TESTING CONDUCTIVITY If the 2 metal prongs are touching an insulator, the light will not light up indicating the circuit is not complete.