Download Dynamic Earth, Earthquakes and Volcanoes Webquest

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