Internet Lesson - Electricity

25 points

Name:_______________________________            Date:____________        Period:_________

Visit each site and follow instructions on this sheet. Use additional paper as needed.

1.  Summarize why the following often-misunderstood words cause students problems:

    Current:

    Electricity:

2.  Summarize the following terms:

    Amps:

    Voltage:

     Watts: 

 

     Kilowatt-hour:

3.  Read how an electric motor works.  List 3 uses in the home and 3 in your car.

List the six parts of an electric motor.

            Which part flips the electric field?

            Be sure to follow the link to take apart the small electric motor.

4.         A positive terminal __________________ electrons, while a negative terminal ____________ electrons.

5.    Click on appliances around the Powerhouse.  Obtain Volts, Amps, Kilowatts.  Estimate your daily usage.  Complete the table.

Appliance Amps Volts Watts Kilowatts Hours/day Kilowatt hours/day Cost Daily Cost
      Amps x Volts Watts/1000 You estimate this Kilowatts x Hours   Kilowatt hours x Cost
TV             4.42  
Refrigerator             4.42  
Microwave             4.42  
Stereo             4.42  
Air Conditioner             4.42  
Fluorescent Light             4.42  
Incandescent Light             4.42  
Hair Dryer             4.42  

6.    Sketch a circuit diagram of a series circuit.  Click on the parallel link and sketch a circuit diagram of a parallel circuit.

 

 

 

 

7.    Look at a motor

8.    Look at a generator

9.    Look at a transformer

10.  Do the electricity and magnetism applet for a quick review.