1. CIRCUITS

2. HOW IS A CIRCUIT DIFFERENT FROM STATIC ELECTRICITY?

3. VOLTAGE:RESISITANCE:CURRENT: Electrical PressureFight against Amount of electric flowelectricity flowing

4. OHM’S LAWI = V/R I: V: R:

5. VOLTAGE – ELECTRICAL PRESSURE Outlets:USAvs. Europe Batteries:AAA/AA/C/D: all 1.5V __9V Car: _12V

6. LET’S MAKE OUR OWN! Phet Simple Circuit Mini Lab

7. RESISTANCE Low R: Metals, graphite, etc. High R: Human skin, dry wood, plastic/rubber, glass etc.

8. ELECTROCUTION…HOW MUCH IS FATAL? It’s not the volts that kill. It’s Amps & location… across your heart = death

10. OHM’S LAW EXAMPLE A 2.0 amp vacuum cleaner is hooked up to a 120 volt outlet. What is the resistance of this vacuum?

11. LET’S PRACTICE!! Ohm’s Law WS