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How the Earth was Made: Yellowstone 1.Approximately how many earthquakes hit Yellowstone each year? 2.What does "Old Faithful" show?
How the Earth was Made: Yellowstone
1. Approximately how many earthquakes hit Yellowstone each year?
2. What does "Old Faithful" show?
3. Indian Ponds is fascinating, but what do they conclude it actually IS?
4. Underwater vents at the bottom of Yellowstone Lake pump out __________________
5. An analysis of the mixed gases from the underwater vents in Yellowstone Lake show the mix is the same as ________________
6. The unique quartz crystals are clear evidence that under the springs is a _____________
7. Despite the overwhelming evidence that there is a volcano under Yellowstone, what "wasn't quite right?"
8. Why is the abundance of rhyolite so important?
9. When Yellowstone erupted, incandescent ash poured out in what direction?
10. What is the approximate size of the giant Yellowstone volcano?
11. Finding the crater at Yellowstone coincided with the discovery of ash from Yellowstone where?
12. The eruption at Yellowstone was how much bigger than the eruption of Mt. St. Helens?
13. The huge size of Yellowstone leads scientists to classify it as a ____________ volcano.
14. Evidence shows that a force pushed the area of Yellowstone Park up so high that _________ formed on its peaks.
15. We can map the magma under Yellowstone because seismic waves tend to slow down when rocks are _________
16. How hot is the rock beneath Yellowstone? __________
17. The "chimney" under Yellowstone is called a _____________
18. Ancient craters show the remnants of ancient volcanoes showing the hot spot blasted out a supereruption and then did what?
19. Evidence show the v-shaped earthquake map wraps around the _______________.
20. Plate tectonics show that_________ is moving, NOT the hotspot as was once believed.
21. Other hotspots have been identified, such as ___________
22. What is unique about the Yellowstone hotspot?
23. Clues as to when Yellowstone will erupt again comes from investigating_________________.
24. About how many earthquakes per day occur in Yellowstone?
25. The reappearance of the wreck in Yellowstone Lake shows land is rising due to expansion of _________
26. GPS and land on which it is anchored is shown to be moving upward how fast?
