Invention How it works Effects on society Inventions




















- Slides: 20
Invention How it works Effects on society Inventions of the 1800’s
What is it? Cotton Gin Invented by Eli Whitney How it works How will it change the nation? Made cleaning cotton 50 times faster
Effects of Cotton Gin Increased cotton production = more southern wealth and power n Plantations expand west n Slave population doubled to keep up with demand; price of slaves tripled n
What is it? Hint: used cotton Power Loom
How it works Created textiles 1000 times faster than traditional spinning wheel Spinning Wheel Spinning Jenny Invented by Edmund Cartwright Power Loom
Power Loom Effects n n n Increased Northern textile production and demand for cotton **Lowell Mills hires women who work for 12 ½ hours a day for $2. 00 a week America’s industrialization will increase exports = $
Cotton/Textile Business Textile Factories Cotton Production New England South
What is it? How it works Interchangeable Parts that are exactly the same for easy assembly and replacement Invented by Eli Whitney… yes the Cotton Gin dude.
Effects of Interchangeable Parts Led to mass production and assembly lines n Goods are made faster and cheaper (more efficient) n Factory jobs for immigrants and the urban poor n unskilled, low wage labor n
Exit slip—sheet of paper! n n In 2 short paragraphs, explain what present-day technological innovation is the most important is to you. What are the BENEFITS? n n Explain how it benefits you, makes your life easier and any other ways this innovation is a must in your life. What are the COSTS? n Also include what negative effects this invention has on your life and on society.
Warm up #8 1/24/19 1. 2. How did this invention contribute to the expansion of the plantation system in the South? How did this invention help promote industrialization in the North?
What is it? Steam Boat Invented by Robert Fulton How it works steam turns turbines to propel boat
Effects of the Steam Boat *Transportation of goods and people becomes more efficient; 12 mph upstream *Helped farmers get goods to market *North could sell goods to more people *Resulted in Canals such as the Erie Canal *Growth of cities along rivers and canals *Steam power would be used to create trains *Dependence on wood and coal increase
What is it? Bessemer Steel process n Inventor: Henry Bessemer n How it works n Air is blown over super heated iron to remove impurities
Effects of the Bessemer Steel process Creates a tough steel n Skyscrapers are built n Railroads constructed that link the nation together n **Urbanization increases n
What is it? n Telegraph by Samuel Morse How it works n sends short pulses of electricity along a wire that could be translated into letters
Effects of the Telegraph *Communication across the country was instantaneous *Created more national unity with a deeper sharing of news and regional culture *Telegraph lines blazed trails for future telephone lines
What is it? n n n John Deere’s steel plow and Cyrus Mc Cormick’s reaper Plow: Broke up hard sod to plant Reaper: Efficiently separated kernels of wheat from husk
Effects of the Plow and Reaper Hard sod of the Great Plains could be farmed n Food production doubled n **Encourages immigrants and the urban poor to move west to farm n
Advertisement for your invention! n Imagine you are an inventor who is trying to sell your product. Create an advertisement that includes: n Name of your invention n How much you are it for n How it works n How it’s going to change people’s lives selling