Teacher’s Questions for Germy Clouds

SCIENCE

Before reading:

1. If microbes live underground and underwater, do you think they also live above us, in the air? Why or why not?

During reading:

1. Explain how Donald Barber’s images became flecked with germs.

2. Was Barber’s theory about where the germs came from correct? Where, in fact, were the germs coming from, and how were they transported?

3. Describe how Kimberly Prather’s onboard air-testing device works. Name three kinds of particles it commonly detects while sucking...

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