Progress in the 19 th Century Chapter 10, Section 4.
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Transcript of Progress in the 19 th Century Chapter 10, Section 4.
![Page 1: Progress in the 19 th Century Chapter 10, Section 4.](https://reader031.fdocuments.in/reader031/viewer/2022020800/56649e3f5503460f94b30350/html5/thumbnails/1.jpg)
Progress in the 19th Century
Chapter 10, Section 4
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Inventions Make Life EasierThomas Edison patents light bulb
Alexander Graham Bell - telephone
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Transportation Innovations
• 1880s, Germans invent first car• Henry Ford lowers cost with
interchangeable parts and assembly line—one task per worker
• Video
Wright brothers develop first airplane
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New Ideas in Medicine
• Louis Pasteur discovers existence of bacteria while observing fermentation– Also learns heat kills bacteria– Develops pasteurization process– He quickly discovers that bacteria cause disease
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• British surgeon Joseph Lister links bacteria to surgical problems
• Sterilizing instruments reduces deaths from infection
• Sterile Surgical Techniques
• Cities improve sanitation
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DISCLAIMER
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New Ideas in Science
• Charles Darwin Challenges Creationism• Darwin introduces– Natural Selection– Survival of the Fittest
• Theory of evolution—species change slowly over very very long periods of time through natural selection
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• Video
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GENETICS
• Gregor Mendel discovers patterns to inherited traits
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created by Dmitri Mendeleev
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Radioactivity
• Discovered by Marie & Pierre Curie• Used to treat
cancer, X-rays• Video
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Psychology
• Ivan Pavlov & his dogs–Pavlov Theory
• Sigmund Freud – Dreams and the
subconscious