<p> Earthquakes and Volcanoes Webquest</p><p>#1 Website: VOLCANOES http://www.nationalgeographic.com/forcesofnature/interactive/index.html?section=v</p><p>Directions: </p><p>* Open the website in a NEW WINDOW </p><p>* Click on the 1-6 to answer the questions below. </p><p>Answer questions on your own paper…</p><p>1. Approximately how many volcanoes are active today? </p><p>2. What percent of the volcanoes are in the ring of fire? </p><p>3. List a destruction caused by volcanoes </p><p>4. List a benefit caused by volcanoes </p><p>5. Where do volcanoes occur? </p><p>6. About 5 % of volcanoes occur where there are lots of hot areas underneath. This is called a __. </p><p>7. Describe the Cinder Cone volcanoe </p><p>8. Describe the Composite Volcano </p><p>9. Describe the Shield Volcano </p><p>10. Low viscosity makes the magma ______. </p><p>11. List the 4 ways volcanoes can erupt </p><p>12. True or False All Volcanoes at some point can erupt even if it was dormant for a long time. </p><p>13. Make at least 3 different volcanoes. List what volcano you made and how you made it</p><p>(HINT: high or low dissolved gases; high or low silica content) </p><p>14. Click on Case Studies. Pick one of the six, examine the pictures and tell me 3 things you learned from the case study. (FROM only 1 volcano) #2 Website EARTHQUAKES http://environment.nationalgeographic.com/environment/natural-disasters/forces-of-nature.html?section=v</p><p>Directions:</p><p>* Open the website in a NEW WINDOW</p><p>* Click on the 1-6 to answer the questions below. </p><p>1. True or False Earthquakes are one of nature’s mildest occurrences. </p><p>2. How many earthquakes are detected each year by instruments? </p><p>3. What magnitude happens every year at some point around the world? </p><p>4. What can great quakes destroy? List at least 3 things </p><p>5. Name the country where the deadliest earthquake hit. </p><p>6. How many people were killed in the earthquake for #5. </p><p>7. How many people are killed each year because of an earthquake? </p><p>8. Where do earthquakes occur? </p><p>9. What part of the earth includes the crust and the mantle, which make up the plates? </p><p>10. Where do 80 % of the earthquakes happen? </p><p>11. Which states in the US are in the most active zone? (three) </p><p>12. What is the term for when plates are moving past each other? </p><p>13. Click on NEXT and fly over California. What fault line is California on? </p><p>14. Describe the divergent boundary (normal fault) </p><p>15. Describe the convergent boundary (reverse fault) </p><p>16. Describe the transform fault (strike-slip fault) </p><p>17. What is the hypocenter 18. What is the epicenter?</p><p>19. Click on NEXT. What is the first wave that hits? Second? Third?</p><p>20. Click on NEXT. How are the waves measured? </p><p>21. Trigger the earthquake. Then click on the colored triangles to find the distance, then find the epicenter. Describe the location of the earthquake </p><p>22. What was the magnitude of the earthquake? </p><p>23. Why do you need 3 centers and 3 seismographs to record the measurements? </p><p>24. Click on Make Your Own Earthquake. Make at least 3 earthquakes and describe what happened to each one.</p><p>25. Click on Case Studies. Pick one of the six, examine the pictures and tell me 3 things you learned from the case study. (FROM ONLY 1 earthquake) </p>