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From Chess to Key Lime: The Pie Quiz
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Pie is the perfect finish to any meal, whether it's Sunday dinner or a holiday feast. Grab a slice and dig in to our quiz on all things pie!
Why Is the Krebs Cycle Essential for Life as We Know It?
science.howstuffworks.com/krebs-cycle.htm
The main function of the Krebs cycle is to produce energy, stored and transported as ATP or GTP, to keep the human body up and running.
Pluto Is Just One of Millions of Objects in the Kuiper Belt
science.howstuffworks.com/kuiper-belt.htm
The Kuiper Belt is a ring around the sun that's home to millions of comets, moons, dwarf planets and other celestial objects. How did they get there?
Why Does Earth Spin?
science.howstuffworks.com/why-does-earth-spin.htm
Every 24 hours, Earth makes a full rotation on its axis. But why does Earth spin in the first place?
The Make and Model Car Quiz
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From Alfa Romeo to Aston Martin, Buick to Bentley, Chevy to Cadillac, Dodge to Datsun and Ford to Fiat, do you know your makes as well as your models? Head on over to the dealership and take the quiz to find out!
You're an Auto Trivia Expert if You Can Name All These Car Parts
play.howstuffworks.com/quiz/youre-an-auto-trivia-expert-if-you-can-name-all-these-car-parts
Oh, the pistons connect to the crankshaft! The crankshaft connects to the transmission! The transmission connects to engine! And the engine makes the whole car go! Think you can finish mapping all these car parts? Tune up this quiz and see!
Can You Score 27/35 On This Difficult WWII Quiz?
play.howstuffworks.com/quiz/can-you-score-on-this-difficult-wwii-quiz
War is terrible but it's important that we remember the past, no matter how horrible. Why? Well, many brave men and women didn't give their lives for nothing, did they? But how much do you know about the greatest ever conflict?
Test Your Firefighting Knowledge With This Quiz
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It's not everyone who can put their own life on the line and run into a fire to save a stranger, but that's what firefighters sign up to do. How much do you really know about firefighting? Take the quiz and see!
Can You Identify These Retro Items?
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You may think you know what the world was like back in the day, but could you live without your touchscreens and constant connection to the world? If you can identify these retro items, you might just have a chance.
How Sunburns and Sun Tans Work
health.howstuffworks.com/skin-care/beauty/sun-care/sunscreen.htm
A sunburn or sun tan affects the health of your skin. Learn how your skin works, how tanning and sunburn can negatively affect your body and how sunscreen works.