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European History: 1600s-1800s

Louis Pasteur

Louis Pasteur
Reading Level
     edHelper's suggested reading level:   grades 5 to 8
     Flesch-Kincaid grade level:   9.37

Vocabulary
     challenging words:    non-living, controversial, experimental, breakthrough, tremendous, cholera, society, theory, broth, affected, solution, spinal, scientist, thoughts, imagination, fitted
     content words:    Louis Pasteur, Robert Koch

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Louis Pasteur
By Sharon Fabian 		  
1     Louis Pasteur grew up in a time when people still couldn't decide whether or not to believe that germs existed. And if germs really did exist, where did they come from? Many people still held to the theory that germs were spontaneously generated, or created from non-living matter.
 
2     Pasteur had a chance to work on the problem of germs in one of his early positions as a professor of chemistry at the University of Lille. Part of his university's mission was to help solve problems for industries in the community. The local beer and wine producing industry asked for the university's help when their products began to go sour. Pasteur proved that germs, or bacteria, were causing the problem. He showed that the problem could be solved by heating the liquids.
 
3     Later he applied the same solution to the problem of sour milk. The process of heating liquids to kill germs became known as pasteurization.

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