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Your search for "caldera" returned 24 results
What If We Drilled Into a Supervolcano?
science.howstuffworks.com/science-vs-myth/what-if/what-if-we-drilled-into-supervolcano.htm
What could happen if we poked one of these sleeping giants? There are two scenarios. One is good. One is very, very bad.
Can You Match the National Park to the U.S. State?
play.howstuffworks.com/quiz/can-you-match-the-national-park-to-the-us-state
There's so much more to America than fascinating buildings and elaborate cityscapes. This U.S. national parks quiz showcases nature's outstanding design achievements. Prepare to be wowed by stunning facts and photos!
What the Stuff?!: 5 Things You Should Know about Supervolcanoes
www.howstuffworks.com/videos/what-the-stuff/what-the-stuff-volcanoes-video.htm
Supervolcanoes are a fact of nature here on earth, and these are 5 things you should really know about the planetary superweapons living under our feet.
How Much Do You Know About Geography of the Western Hemisphere?
play.howstuffworks.com/quiz/how-much-do-you-know-geography-the-western-hemisphere
The Western Hemisphere is full of staggering highs and lows, with some of the highest mountains and largest rivers. See if you can tell the New World from the Old World with this HowStuffWorks quiz!
The Great Yellowstone National Park Quiz
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It is the most famous national park on planet Earth. How much do you know about America's renowned Yellowstone National Park?
When Krakatoa Blew: How the 1883 Eruption Changed the World
science.howstuffworks.com/nature/natural-disasters/krakatoa.htm
The 1883 Krakatoa eruption was gigantic and deadly, but the advent of modern communications and mass media helped to make it one of the earliest and best-known modern natural catastrophes.
Identify These 40 States from an Outline in 6 Minutes
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Each state is pretty unique, even when it comes to its outline. You'll really need to know your way around a map to ace this quiz. Let's see if you know your stuff!
How Well Do You Know the US States?
play.howstuffworks.com/quiz/how-well-do-you-know-the-us-states
There are 50 American states, and despite their political union, each has its own culture, history and character. Heck, they even have different names for carbonated beverages! Do you want a soda, a soft drink, pop or coke? See how well you know this diverse country!
Kannst du dieses allgemeine Geografie-Quiz über die USA knacken?
play.howstuffworks.com/quiz/can-you-pass-american-geography-gr
Hältst du dich für einen echten Geografie-Experten? Die Vereinigten Staaten sind eines der einzigartigsten und vielseitigsten Länder der Welt und man kann innerhalb der Grenzen der USA nahezu jede Art von Landschaft finden. Bist du bereit herauszufinden, wie gründlich dein Wissen ist?
Can You Guess if These Landmarks and Places Are on Mars or Earth?
play.howstuffworks.com/quiz/can-you-guess-if-these-landmarks-and-places-are-on-mars-or-earth
The Earth and the planet Mars are celestial siblings but hardly twins. Each has unique features and landmarks, but despite their significant differences, the two worlds share a lot of qualities. Do you know your Martian landmarks from your Earthly ones?