1. Electricity Table of Contents Electric Charge and Static Electricity
Electric Current
Electric Circuits
Electric Power and Safety

2. Electric Charge and Static Electricity
Repel or Attract?
Which spheres are positively charged and which are negatively charged?

3. Electric Charge and Static Electricity
Electric Fields
Field lines show the direction of the force acting on a positive charge. Which charge is positive? And, which charge is negative?

4. Electric Current Electric Current
The image shows items passing on a conveyor belt, representing a current. If there were a greater current, more plates would pass in the same amount of time. What is another way a greater current could be represented?

5. Electric Current Current Flow
Current flow is affected by the energy of the charges and
the properties of the objects that the charges flow through.

6. Electric Current Voltage
Calculate the amount of gravitational potential energy each person has.

7. Electric Circuits Circuit Relationships
The work Ohm did on circuits in the 1800s still applies today.

8. Electric Circuits Circuit Diagrams
A symbol in a circuit diagram represents a part of the circuit.

9. Electric Circuits Series Circuits
The number of bulbs in a series circuit affects each bulb’s brightness.

10. Electric Circuits Parallel Circuits
Where on the diagram would the switches be for a floor lamp with three bulbs?

11. Electric Circuits How Does an Electrical Circuit Work?
Use the key to fill in the blank label boxes.

12. Electric Power and Safety
Power Ratings
Power is calculated by multiplying voltage by current. Determine the current running through each of these appliances.
WASHER
TOASTER
LAPTOP TV