Big Bang Webquest - Mrs. Gekiere's Classroom
Big Bang Webquest Name:__________________
Beginning URL:
Questions:
Part 1: Expansion of the Universe
1. Why did Einstein develop the “cosmological constant”?
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2. Which theory was the natural beginning of The Big Bang theory? ________________________ ________________________
3. Who showed that the universe was indeed expanding?________________________
4. According to the expansion law do the galaxies expand away from each other equally? Explain.______________________________________________________________
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Part 2: The Abundance of Light Elements
5. What is nucleosynthesis? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
6. What is Big Bang nucleosynthesis?
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7. What was the universe like immediately after the Big Bang started?______________
8. How much of the universe’s ordinary matter is thought to be helium? Does Big Bang theory support this number?
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9. What is WMAP?____________________________________________________________________
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10. Where do elements heavier than lithium come from?
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11. Where do elements heavier than iron come from?
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Part 3: Cosmic Microwave Background Radiation
12. What is CMB? Explain. ________________________________________________________________________________________________________________________________________________________________________
13. Who predicted the existence of CMB?______________________________
14. Who discovered CMB?____________________________________________________________
15. Describe the CMB as it exists today. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
16. How old is the universe thought to be?_________________________________
17. What did the FIRAS experiment show?
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18. What event was thought to occur about 400,000 years after the Big Bang?
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19. What is the most striking characteristic of the CMB?_______________________________
20. The article mentions cosmology and cosmologists over and over again. What is cosmology? ___________________________________________________________________
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