1. Global History and Geography 10th Grade Boys/Girls 9/6/2019
How Did Scientific and Technological Inventions during the Late 1800s and Early 1900s Change Human lives?
Global History and Geography
10th Grade Boys/Girls
9/6/2019
Br. Siraj

2. Germ Theory & Diseases Advances in Medicine
Anton V. Leeuwenhoek discovered microbes
Louis Pasteur showed link between the diseases and microbes (germs). He also showed that certain germs could be used to treat diseases.
Robert Koch showed Bacteria causing TB
Pasteur’s and Koch’s Ideas were established as Germ Theory
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3. Infections and Antiseptics
Advances in Medicine
Infections and Antiseptics
Joseph Lister believed germs cause infections during surgical procedures.
He insisted on using antiseptics
Antibiotics
The discovery of penicillin by Alexander Fleming helped kill germs
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4. Improved Standard of Living
Better wages and Working Conditions
Labor unions and civil society reform groups pushed for better wages and safer working conditions during the later 1880s.
Better Housing
Improved Sanitation
Running Water and Underground Sewerage helped prevent waterborne diseases like Cholera and Dysentry.
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5. Improved Standard of Living
New Inventions also changes life
Electricity
The telephone by Alexander G. Bell
The Radio: Gugliemo Marconi
The Internal Combustion Engine by Nikolaus Otto [1870s]
Automobile and Airplane was possible due to Internal Combustion Engine
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6. New Scientific Theories
Radioactivity
Discovered by Marie Curie and Her Husband
Matters could now be transformed into energy.
Theory of Relativity
Albert Einstein proposed that space and time measurements are not absolute but are relative to many factors.
The world is very unpredictable.
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7. New Scientific Theories
Human Mind and the Role of Unconscious
Sigmund Freud came up with the subconscious and its role
Human Behavior is governed by the unconscious of our brain.
Psychoanalysis was born and treatment for mental illness.
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8. Homework Questions 1, 2, 5 & 7 Page # 641 of Textbook Mar 05, 07
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