SES 4U – Geology and Geologic Time

Video: The Day the Earth Nearly Died 1. In what part of the world does the video begin?

2. What time period does the video begin in?

3. What was different about the area compared to today?

4. What were the Thorapsid animals? 5. How long did the “rule the Earth”?

6. What is special about the fossil record at the end of the Permian Period?

7. How long ago did the Dinosaur extinction occur? Killing what percent of life?

8. What percent of life went extinct during the Permian Mass Extinction?

9. What is buried under the Siberian snow?

10. What happen in Siberia 250 million years ago?

11. How long can the Flood Basalt Eruption last?

12. What was the result of the Iceland eruption in the winter 1783? How long did the winter last?

13. How much does the world temperature need to change for species to die?

14. How often does the Earth shift in its orbit?

15. How long, according to the rock layers, did the Permian extinction take?

SES 4U – Geology and Geologic Time 16. What was Rampino’s explanation for the extinction?

17. How big do they think the meteor would have been? 18. Why do scientists think they can’t find a crater?

19. What is the most common crystal on Earth? What was different about the Antarctic quartz?

20. Where does go Wignall go to research the extinction?

21. What did the rock reveal about the Permian extinction?

22. What were the three phases of the extinction (the order of the extinctions) a. b. c. 23. How long did the extinction actually last?

23. What cause the increase of the carbon-12 increase?

24. What did the evidence from Greenland tell Wignall?

25. How did the extinction start (the first killer)?

26. By hw much did the world warm?

27. What happened once the ocean water temperatures rose, triggering the second killer?

28. How long did it take life on Earth to recover?

29. What animal from the Permian survived?