McGraw-Hill Science Return to Book List
Lightning
Grade 5
Science Magazine & World of Science
 
The Energy of Sound and Light, Topic 4: Light and Mirrors
The Bright Idea
Keyword: BRIGHT

Did You Know...
By law in the state of California, automobile companies must make more and more electric cars!

 

Edisonian: Edison Antique Electrical Museum

Thomas Edison didn't just invent one light bulb—he designed a huge variety of light bulbs! Take a look at Edison's light bulbs and other inventions at this site.

Questions

  1. Who developed the first known device for generating electricity?

  2. Draw pictures of five different light bulbs that Edison invented. Discuss some of the features of each light bulb.

  3.  

Frankenstein's Lightning Laboratory

Your favorite bolt-necked, green-faced movie monster is the host of this fun look at electricity. Click Electrical Safetyto visit a house of electric horrors, click Static Electricityfor a shocking activity, and click Fruity Electricityfor ... well, we'll let you find out for yourself. These pages are part of the Atoms Familysite, from the Miami Science Museum.

Questions

  1. Why is it dangerous to fly a kite near telephone poles and power lines?

  2. Describe one way of making static electricity.

  3.  

Electric Vehicles

Cars run on gasoline, don't they? Well, as we move into the 2000's, more and more cars will be running on electricity. Learn more about electric vehicles and their advantages at this site.

Questions

  1. What is the driving range of current electric vehicles?

  2. How much less pollution does an electric vehicle produce compared to a gasoline-powered car?

  3. Name two ways that nickel-metal hydride batteries are an improvement over lead-acid batteries.

  4.