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Travel the World: Yellowstone
by Staff
Yellowstone is unbeatable for anyone who loves the great outdoors -- even for those who prefer to see the great outdoors from the comfort of a car. From bison to bears to bobcats, and a whole lot of geothermal goodness, Yellowstone's got it all.

How long have people inhabited the area encompassed within Yellowstone National Park?

  • 6,000 years
  • 11,000 years
  • 17,000 years

What year did Yellowstone become the world's first national park?

  • 1872
  • 1901
  • 1919

When the Yellowstone supervolcano erupted for the first time about 2.1 million years ago, how strong was the blast compared to that of Mount St. Helens in 1980?

  • about 600 times the amount of mass was ejected
  • about 1,200 times the amount of mass was ejected
  • about 2,400 times the amount of mass was ejected

How large is the most recently formed caldera?

  • about 20 by 60 miles (around 30 by 95 kilometers)
  • about 30 by 50 miles (around 50 by 80 kilometers)
  • about 40 by 70 miles (around 65 by 110 kilometer)

Yellowstone is home to what percentage of the world's hydrothermal features?

  • nearly one-quarter
  • nearly one-third
  • nearly one-half

What are fumaroles?

  • hissing vents of hot, gassy steam
  • calm pools of warm, salty water
  • bubbling puddles of cold, stinky mud

How fast can bison run?

  • 10 miles per hour
  • 20 miles per hour
  • 30 miles per hour

What is the tallest active geyser in Yellowstone?

  • Steamboat Geyser
  • Castle Geyser
  • Old Faithful

What gives color to the Mammoth Hot Springs?

  • microorganisms
  • mineral deposits
  • neither

How many people visit Yellowstone each year?

  • about 1 million
  • about 3 million
  • about 9 million