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98% of adults can't pass this elementary school science quiz! Can you?
play.howstuffworks.com/quiz/98-adults-cant-pass-this-elementary-school-science-quiz-can-you
From the periodic table to inventors and their inventions, how well do you remember your science class lessons? Do you think you could pass general science? Let's find out with this quiz!
The “How Smart Are You?” Quiz
play.howstuffworks.com/quiz/the-how-smart-are-you-quiz
It takes a true Jack or Jill of all trades to pass this tough general knowledge quiz that covers everything from geography to space. Are you up for the task?
Could You Dig a Tunnel Right Through the Center of Earth?
science.howstuffworks.com/environmental/earth/geophysics/question373.htm
Let's say you have a lunch date to make – and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?
How Sci-fi Doesn't Work
entertainment.howstuffworks.com/sci-fi.htm
Learn how sci-fi doesn't work in some popular movies and TV shows.
What If Earth's Magnetic Field Flipped?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earths-magnetic-field-flipped.htm
Earth's magnetic field has flipped many times before, and scientists say it will flip again (though probably not in our lifetime). While it might not be catastrophic, a major change in the magnetic field would present a special set of problems.
Can You Answer These Easy-Peasy Science Questions?
play.howstuffworks.com/quiz/can-you-answer-these-easypeasy-science-questions
What is water and why is the sky blue? Do you know what planet we live on, or the number of oceans on the planet? Science is all around us, and even if it's not your forte, you've probably amassed more knowledge than you realize. Here are some easy-peasy science questions to help you brush up on your knowledge.
Why Did the Russians Seal Up the Deepest Hole in the World?
science.howstuffworks.com/engineering/civil/kola-superdeep-borehole.htm
The Kola Superdeep Borehole in Russia is the deepest hole in the world. It's deeper than the Mariana Trench and deeper than Mt. Everest is tall. Why did the Russians dig this deep, and why did they stop?
How Stars Work
science.howstuffworks.com/star.htm
When you look up at night and see thousands of stars, have you ever wondered what you are looking at? Learn what stars are and how they live and die!
How Hot Is the Sun? Colder, the Closer You Get!
science.howstuffworks.com/why-sun-atmosphere-hotter-than-surface.htm
How hot is the sun, and why does this star's atmosphere hit higher temperatures than its core? Read on to learn about the weird physics.
Only 1 in 19 People Can Accurately Classify These Fruits and Vegetables. Can You?
Oh, so you think you know all there is to know about fruits and vegetables? Why don't you test your knowledge by putting them in their correct groups in this quiz?