History of earth - how our planet formed

Reference no: EM133207382 , Length: Word count: 2 Pages

Assignment task: Watch YouTube Video: The History of Earth - How Our Planet Formed - Full Documentary HD By Wisdom Land

And answer the following questions:

1. The formation of the earth dates back to when?

2. According to the video, the earth formed from what material and which type of force

3. What were the first 3 elements/compounds immediately after earth's formation?

4. How long did it take the sun to rise and set after the cooling of the earth?

5. The first sign of water on earth came from where?

6. Apart from water, what else did the meteors carry as they dissolved in the ocean bottom?

7. How was the first sign of life (microscopic organisms) created?

8. What was the outcome of the reaction between carbon and water by stromatolites?

9. At what temperature did snowball earth form?

10. From which animals did dinosaurs evolve?

11. The giant size of organisms following the appearance of dinosaurs was as a result of what?

12. Which animal species of reptiles were the first casualties of the Permian extinction?

13. What color did the oceans turn to after the Siberian eruption?

14. Did the temperature of the earth increase or decrease following the Siberian eruption and what was the temperature?

15. How many percent of species survived the Siberian eruption?

16. Which dinosaur species evolved 200 million years before present?

17. When did supercontinent (Pangea) break up?

18. According to the video, the speed at which the North American plate moves away from the European and Asian plates is the same as the growth of which part of the human body?

19. The asteroid that landed in the Gulf of Mexico 65 million years ago raised the atmosphere's temperature to what?

20. The ancestors of humans evolved how many years ago?

Reference no: EM133207382

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