17. October, 2017Uncategorized

Pasteur Reading

1.B

2. C

3. A

4. C

5. C

6. D

7. amount and type of broth, same air temperature, broth boiled for the same amount of time, same size flask

8. He changed the shape of the flask (straight necked and swan necked)

9. The one with the lid would not be exposed to the air; he was testing whether there are microbes in the air.

10. He conducted a carefully controlled experiment – there was only one independent variable.