<p> Bill Nye the Science Guy and Continental Drift Guided Video Questions</p><p>1. What did scientists discover about the center of the Earth?</p><p>2. Is the Earth’s core hotter or cooler than the surface of the sun?</p><p>3. Bill Nye says the Earth’s core is how far from cooling?</p><p>4. Alfred Wagner was the man that came up with the concept of Pangaea. What does his theory state? </p><p>5. Explain continental drift in your own words.</p><p>6. During World War II scientists discovered what underneath the sea? How high was it? What happens at this ridge? </p><p>7. Where is the oldest part of the ocean floor found?</p><p>8. How does the ocean sea floor spread or what is meant by sea floor spreading? </p><p>9. What is subduction?</p><p>10. What is meant by plate tectonics?</p><p>11. When plates are subducted what is released? What does this do? </p><p>12. What is one thing that happens when plates slip passed one another? </p><p>13. How hot is lightening compared to that of the sun?</p><p>14. What is the troposphere? It is referred to as the layer of ______. How long is it? What is the next layer and how long is it? 15. How many satellites are circling the Earth and monitoring the weather? Why would they want to monitor the weather? What is something else that they use to monitor the weather?</p><p>16. What is cosmic radiation? What is one thing that it is said to cause?</p><p>17. What is an electroscope?</p><p>18. What does the Earth’s magnetic field protect the Earth from?</p><p>19. Who was Bernard Brunes? What did he discover about the Earth’s magnetic field? What is the Earth’s magnetic field experiencing today? What happened to Mars?</p><p>20. How many Ice Ages do geologists believe the Earth has been through?</p><p>21. What does Bill Nye mean by Periodic Glaciation? </p><p>22. Bill Nye speaks of global warming. What does he mean by this?</p><p>23. What is the gas that contributes to global warming?</p><p>24. What is one thing that humans are doing that are contributing to global warming?</p><p>25. At what percent has CO2 increased since the Industrial Revolution? </p><p>26. Compare the volcanic release of CO2 by Mt. St. Helens to the amount we put out by burning fossil fuels every year?</p><p>27. Charles Libel came up with a new way to find out the age of the Earth. He discovered what about it? </p><p>28. What method or instrument do scientists use to date rocks? What purpose does this serve?</p><p>29. What is left by uranium decay?</p><p>30. How does Bill Nye compare human existence on Earth to the lifetime of the Earth?</p><p>Did you like this video?</p><p>Based on the video, what would you like to know more about? </p>