Plate Tectonics Webquest v2

PLATE TECTONICS WEBQUESTUse the links below to answer the questions given. Be sure to read each sectionas you answer the questions. You may type in the links or access this documentelectronically at Mr. Melby’s website in the homework section so you can clickon the links.Use this Link to answer questions 1-3 Alfred Wegenerhttp://www.pbs.org/wgbh/aso/databank/entries/do12we.html1. What evidence did Alfred Wegener use to support his theory of continentaldrift?2. Why do you think people didn’t believe the theory when Wegener firstexplained it?3. Who were the two scientists that brought forth supporting evidence toWegener’s theory and what was their evidence?Plate Tectonic Animation: Continental Drifthttp://www.ucmp.berkeley.edu/geology/anim1.html4. What paleontological era are we currently in?_______________________Link for questions 5-8 : Plate boundarieshttp://pubs.usgs.gov/gip/dynamic/understanding.html5. What are the three different types of plate boundaries? Describe each type6. Name a place on Earth where two plates are converging. Name a placewhere two plates are diverging. Name a place where two plates are slidingalong each other.7 .What are the three different types of convergent plate boundaries?

8. Explain what plate tectonics and ocean trenches have in common.Link for question 9 : Sea-floor spreadinghttp://www.uwsp.edu/geo/faculty/ritter/glossary/s_u/sea_flr_spread.html9. When comparing the age of the rocks on the east coast of North America tothe rocks along the Mid Atlantic ridge, which do you think are older? Why doyou think this is the case?Link for questions 10-11 : Convectionhttp://pubs.usgs.gov/gip/dynamic/unanswered.html10. What is a convection current or cell? Describe how it works. (draw apicture if you choose)11. What are the two main sources of heat inside the Earth?12. What type of tectonic forces creates mountains?13 How were the Rocky Mountains formed? Support your answer usinginformation you have learned in this web Quest.