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Texas Instruments
Texas Instruments: Can a Lemon Power a Light Bulb
You will learn about a voltaic battery and to see if it's powerful enough to light up a light bulb
Science Buddies
Science Buddies: Measuring Light Intensity Using the Inverse Square Law
You've probably heard that compact fluorescent light bulbs are more efficient than incandescent bulbs. More of the electricity they use goes into producing light, and less into producing heat than with incandescent bulbs. How much more...
US National Archives
Nara: Teaching With Documents: Telephone and Light Patent Drawings
A lesson plan about Alexander Graham Bell's patent for the telephone and Thomas Edison's patent for the electric lamp. Contains good background information and historically pertinent documents. It also discusses the role corporations...
TeachEngineering
Teach Engineering: Light Your Way
When there is a power failure, or when we go outside at night, we grab a flashlight so we can find our way. What happens inside a flashlight that makes the bulb light up? Why do we need a switch to turn on a flashlight? Have you ever...
Florida State University
Florida State University: Magnet Lab: Electric Meter 1872
The invention of the light bulb quickly created the need to track people's electricity usage. In 1872, Samuel Gardiner built the first simple power meter: a lamp with an attached clock that recorded the time the light was on.
TeachEngineering
Teach Engineering: Conductivity
Students make a simple conductivity tester using a battery and light bulb. They learn the difference between conductors and insulators of electrical energy as they test a variety of materials for their ability to conduct electricity.
Science Struck
Science Struck: Facts About Thomas Edison
Read about the life of Thomas Edison and his many inventions.
Science Buddies
Science Buddies: Shaking Up Some Energy
Shake N' Light flashlights have been advertised on televisions across the nation in the recent year. But many do not understand just how they get energy to light up the bulb without using batteries. Do this experiment to make your own...
Digital History
Digital History: The Wizard of Menlo Park
This resource provides information about the famous American inventor, Thomas Edison. Find out about his childhood, some of his famous inventions, and even some of his mistakes.
Enchanted Learning
Enchanted Learning: Inventors & Inventions 1801 1850
This site from Enchanted Learning presents several brief overviews of major early nineteenth century inventors and their inventions. The information is accessible by clicking on the corresponding link.