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Grade 7 reading · Biography

Louis Pasteur: How One Life Changed the World

Few people change how the world thinks, but Louis Pasteur, born in 1822 in Dole, France, did exactly that. He is remembered for showing that germs cause many diseases.

Pasteur was careful. He designed experiments with special flasks to prove where germs came from.

In 1856, Pasteur began studying why wine and milk spoiled. Then, in 1862, Pasteur tested a heating method, later called pasteurization, to kill harmful germs.

Then, in 1881, Pasteur showed that a vaccine could protect sheep from a disease called anthrax. In 1885, Pasteur successfully treated a boy bitten by a dog with rabies. (Vaccine: a substance that trains the body to fight a disease.)

Pasteur died in 1895. Milk is still heated to kill germs using the method named after him.

Questions

  1. Sequence Which of these happened first?
  2. Sequence Which of these happened last?
  3. Details In what year did this happen? "Pasteur tested a heating method, later called pasteurization, to kill harmful germs."
  4. Timeline math How many years passed between these two events? First: "Pasteur tested a heating method, later called pasteurization, to kill harmful germs." Later: "He successfully treated a boy bitten by a dog with rabies."
  5. Timeline math About how old was Pasteur in 1862?
  6. Vocabulary In the passage, what does "vaccine" mean?
  7. Character traits Which word best describes Louis Pasteur?
  8. Evidence Which detail from the passage shows that Pasteur was careful?
  9. Main idea What is this passage mostly about?
  10. Text structure How does the author organize the middle of the passage?
  11. Author's purpose Why does the author end with the final paragraph?

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Topics: The human body

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