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In 1856, Henry Bessemer invents steel. Bessemer Process: Purifying iron ore to make steel.

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Presentation on theme: "In 1856, Henry Bessemer invents steel. Bessemer Process: Purifying iron ore to make steel."— Presentation transcript:

1 In 1856, Henry Bessemer invents steel. Bessemer Process: Purifying iron ore to make steel

2 Steel is used to build… Bridges Railroads Tools

3 Chemists created hundreds of new products, from medications as aspirin to perfumes and soaps.

4 In 1866, a chemist named Alfred Nobel invents dynamite. He earned a huge fortune and willed it to fund the Nobel Peace prize people earn today.

5 Dr. Martin Luther King was recognized by winning the Nobel Peace Prize in 1964.

6 Electricity -c.1800 Alessandro Volta developed the first battery -c. 1800’s Michael Faraday invents the first electric generator and electric motor. -1870’s Thomas Edison invents the first electric light bulb.

7 New Methods of Production -Interchangeable parts: identical components that can be used in place of one another in manufacturing -Assembly line: production method that breaks down a complex job into a series of smaller tasks


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