Life’s Rocky Start – Movie Viewing Questions To answer the following questions, you will need to view the PBS Video: Life’s Rocky Start.. The entire film can be found at: http://www.pbs.org/wgbh/nova/earth/life-rocky-star…or on YouTube: https://www.youtube.com/watch?v=JxjycTS0CVk
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Life’s Rocky Start – Movie Viewing Questions
To answer the following questions, you will need to view the PBS Video: Life’s Rocky Start.. The entire
film can be found at: http://www.pbs.org/wgbh/nova/earth/life-rocky-start.html
or on YouTube: https://www.youtube.com/watch?v=JxjycTS0CVk
1. What is the rock that ‘Black Earth’ represents?
2. Describe this period of time in Earth’s history.
3. What rock is represented by ‘Gray Earth’? Where do we find this rock?
4. What does ‘Blue Earth’ represent? How old is this blue feature?
5. What was the significance of the electricity in the Stanley Miller experiment?
6. What was created in the Stanley Miller experiment?
7. What is the name of the environment without sunlight, with high temperatures (due to volcanic
activity) and high pressures (because it is at the bottom of the ocean)?
8. What is the name of the oldest fossilized remnant of life? What is it a fossil of? How old is it?
9. How old are the ‘chemical footprints’ of life, which Dr. Blake discovered?
10. What did microbes do to change the chemistry of the atmosphere and how did they make this
change?

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