new age of science and technology

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Across
  1. 2. Since doctors knew almost nothing about_______.
  2. 4. Pioneering work on________had been done at the end of the 18th century.
  3. 7. Scientists and inventors made________after 1850.
  4. 9. People couldn't get vaccinations to against terrible diseases such as ________.
  5. 10. pasteur _________invented pasteurization.
Down
  1. 1. Louis Pasteur used carbolic acid as an_________
  2. 3. _________is by heating food or liquid to kill bacteria and its named after People didn't know anything about ______and infection.
  3. 5. So much bacteria could be introduced into a patient's body during_____that it is astonishing that some people survived it.
  4. 6. People didn't know anything about ______and infection.
  5. 8. ________is a dreaded bacterial infection.