INVENTION!
Who invented the first lightbulb that lasted long enough to be used?
Thomas Edison
Could everyone afford lightbulbs when they were first invented?
No, only rich people and large businesses could afford lightbulbs.
Did Thomas Edison invent the idea of the lightbulb?
No.
Are incandescent light bulbs good for the environment?
No, they are extremely bad to the environment due to high waste.
True or false:
Becasue of the lightbulb, employers had employees working 16+ hours a day
True
What did the invention of the lightbulb fuel?
The second Industrial Revolution
Where did Thomas Edison work?
Menlo Park, New Jersey.
Why do we use LED lights instead of normal light bulbs?
LED lights are better for the environment
Who could afford to buy the lightbulb when it was first invented?
Rich people and businesses.
Who often doesn't receive credit for his key discoveries of the light bulb?
Joseph Swan
Now, what do people use instead of incandescent lightbulbs?
LED lights
What is an example of electron tubes?
Radio recievers
What do we have now because of the lightbulb?
Movies, electronics, and electric railways.
How did the lightbulb affect major gas companies?
*BONUS IF ANSWERED CORRECTLY
They lost business in major cities, such as New York City and Manhattan.
What are some of the benefits of LED's?
*List 2
*BONUS IF ANSWERED CORRECTLY
1) Consumes less electricity
2) Last decades
3) Contains no mercury
4) Environmentally efficient
5) Reduce cost and waste
Who invented the first electric lightbulb?
Humpfrey Davy invented the first electric lightbulb in 1802
What is the oldest burning light bulb called, and where is it displayed?
*BONUS IF BOTH QUESTIONS ANSWERED CORRECTLY
The Centennial Lightbulb.
Displayed in a firehouse in Livermore, CA.
What was the cost of a lightbulb in the 1880s?
$1, which was a full day's wages for many people.
Where is the first lightbulb displayed?
At the Smithsonian National Museum of American History.
How much energy from incandescent lightbulb are comverted into light?
10%
Who invented the first LED light (Red)?
*BONUS IF ANSWERED CORRECTLY
Nick Holonyak Jr. invented the first visible-spectrum red LED in 1962.
What did Thomas Edison discover about electrodes?
He discovered that energy would flow from one to another, which resulted in computers.
How did this help home appliances?
Wires were now in homes, which helped easily connect other electric appliances.
How much is $1 in the 1880s worth today?
$31.75
In 2022, officials estimated that LED's would cut carbon emissions by how much in 30 years?
222 million metric tons