15 TH CENTURY FARMING 18 TH CENTURY FARMING THE AGRICULTURAL REVOLUTION.
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.
Progress in the 19th Century
Chapter 10, Section 4
Inventions Make Life EasierThomas Edison patents light bulb
Alexander Graham Bell - telephone
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
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
• British surgeon Joseph Lister links bacteria to surgical problems
• Sterilizing instruments reduces deaths from infection
• Sterile Surgical Techniques
• Cities improve sanitation
DISCLAIMER
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
• Video
GENETICS
• Gregor Mendel discovers patterns to inherited traits
created by Dmitri Mendeleev
Radioactivity
• Discovered by Marie & Pierre Curie• Used to treat
cancer, X-rays• Video
Psychology
• Ivan Pavlov & his dogs–Pavlov Theory
• Sigmund Freud – Dreams and the
subconscious