1. What do you think are the 3 most important inventions ever made?
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What do you think are the 3 most important inventions ever made?

2. Learning Goals
EQ:
How can technological change and innovation change a country?
LT:
Assess the impact of major inventions on the Industrial Revolution United States.
POU:
I can assess the impact of major inventions on the I.R.
I can compose an argument about which invention was the most important of the I.R.

3. Inventions of the Industrial Revolution
Created by: Ms. Calafiore
Edited by: Mr. Lasseter
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4. Click on an invention to learn more about it!
Spinning Jenny
Telegraph
Cotton Gin
Steam Engine
Dynamite
Steel
Light bulb
Telephone
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5. The Spinning Jenny was invented in 1770 by James Hargreaves.
It was a hand-powered multiple spinning machine.
This machine made it possible to spin more than one thread at a time, and made weaving easier for workers.
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6. The Steam Powered Engine was invented in the 1780s by Robert Fulton.
Steam Engine
The Steam Powered Engine was invented in the 1780s by Robert Fulton.
It was used to power steamboats and, eventually, the railroads.
The steamboat and railroads became the fastest way to transport goods during the Industrial Revolution because of the steam engine.
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7. In 1793, Eli Whitney invented the Cotton Gin.
At the time it was invented no one realized its importance, but it became revolutionary.
This machine was used to get the seeds out of cotton, instead of being done by hand which caused production (and slavery) to increase.
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8. Samuel F.B. Morse developed the Telegraph in the 1840s.
This machine could transmit messages through electric wires.
By the 1860s, an undersea cable was being used to transmit messages between North America and Europe.
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9. Steel
In 1856, Henry Bessemer developed the process to purify iron ore.
This new substance was called steel, and was more durable and lighter than iron.
It became a widely used material in tools, bridges, and railroads.
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10. Dynamite Alfred Nobel, a Swedish chemist, invented Dynamite in 1866.
It was an explosive much safer than anything else used at this time.
It became widely used in construction, as well as in warfare.
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11. Light bulb
In the 1870s, Thomas Edison created the first practical electric light bulb.
His “incandescent lamp” lit up whole cities.
This invention increased production because factories were able to stay open after dark.
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12. Telephone
In the 1870s, Alexander Graham Bell, perfected the design of the telephone.
It allowed speech to be transmitted electronically.
It revolutionized how people communicated, and made it easier to pass on more than one message.
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13. ASSIGNMENT
This is case sensitive!