Global Science

Video Notes

The Story of America’s Great Volcanoes

Answer these questions on your own. Do NOT copy the question. Just write the answer in complete sentences and legibly.

1. How many volcano built National Parks are there in America?
2. How big is the Earth’s core?
3. What are the three types of volcanoes?
4. How many volcanoes does California have?
5. Volcanoes build two types of cones. What are they?
6. How much heat radiates through Yellowstone Park's surface?
7. What are the names of the West Coast Mountains that make up the cascades?
8. If a volcano, like Ranier, is dormant does this mean it is extinct? Which mountains are extinct?
9. For how long did Mount Lassen erupt?
10. Describe the eruption of Mount Saint Helen’s.
11. Describe the formation of Crater Lake.
12. What type of rock did the Native Americans use to make arrowheads and knives?
13. Where is the valley of the 10,000 smokes? Why is it called this?
14. Where is the most actively volcanic chunk of land on Earth?
15. What is the difference between aa lava and pahoehoe lava?