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How Pangaea Became 7 Separate Continents
history.howstuffworks.com/world-history/pangaea-supercontinent.htm
The idea of Pangaea comes from Alfred Wegener's hypothesis that the seven continents were once joined as a supercontinent. Learn more about Pangaea.
Do You Know the Model and Make of These Cars You'd See on the Street?
play.howstuffworks.com/quiz/do-you-know-the-model-and-make-of-these-cars-youd-see-on-the-street
Every day on the streets around your home or workplace you pass a few hundred cars. Whether it's a Camry, a Corolla, a Cruze or a Continental, let's see how many of these everyday cars you can recognize!
How Do Mountains Form?
science.howstuffworks.com/environmental/earth/geology/earth-s-mountains-are-always-on-move.htm
If geology has taught us anything about Earth's history, it's that nothing is permanent. And that goes for mountain ranges, all of which are constantly rising and falling.
Can You Get More Than 11 Right on This Difficult American Geography Quiz?
play.howstuffworks.com/quiz/can-you-get-more-than-11-right-on-this-difficult-american-geography-quiz
You won't only need to know the longest river in America, but you might need to know exactly how many U.S. states it touches. Yes! This American geography test is that deep. Now is your time to prove you are up to the challenge!
15 Worst Hurricanes of All Time
science.howstuffworks.com/nature/natural-disasters/10-worst-hurricanes.htm
The Americas have been hit with some major hurricanes throughout the decades. But which were the worst ones in history?
Can You Pass This American General Knowledge Quiz?
play.howstuffworks.com/quiz/can-pass-amercian-general-knowledge-quiz
The Declaration of Independence may have created the United States of America. However, U.S. history consists of more than the Founding Fathers. Find out if you need to retake a U.S. History class with this quiz!
What does the 'pursuit of happiness' mean in the Declaration of Independence?
science.howstuffworks.com/life/inside-the-mind/emotions/pursuit-of-happiness-meaning.htm
What exactly in the pursuit of happiness? Stated in the Declaration of Independence, it has some mystery behind it. Read about the pursuit of happiness.
The Coldest State in the U.S. Is Below Freezing on Average
science.howstuffworks.com/nature/climate-weather/coldest-state-in-the-us.htm
The United States has a wide range of climate zones, from the subtropical to the arctic. On the low end of the thermometer, there are plenty of options for a deep winter chill. Here, we look at a couple different ways to determine the coldest state in the U.S. — and by both definitions, there's one winner.
Test Your Knowledge Of '70s Cars With This Quiz!
Think you know your cars from the '70s? This quiz will test your car knowledge to the limit with models from around the globe. Good luck!
How Betsy Ross Worked
history.howstuffworks.com/historical-figures/betsy-ross-worked.htm
History tells us that Betsy Ross designed and sewed America's first flag. But is that the truth or is it just legend? Find out more at HowStuffWorks.