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Can You Name All 40 of These Animals?
play.howstuffworks.com/quiz/can-you-name-all-40-of-these-animals
Let's forget about the domestic dog breeds and house cats of the world, and check out what the animal kingdom has to offer. Will you be able to identify all 40 of these interesting creatures, or will you have to look them up?
Can You Name the Countries for These Mostly Green Flags?
play.howstuffworks.com/quiz/can-you-name-the-countries-for-these-mostly-green-flags
The stars and stripes. The maple leaf. The red ensign. The gold and green. Every country has a flag and every flag has a meaning. Do you think you can ID all these countries that have green flags? Run this quiz up the flagpole, and see who salutes!
How Underwater Sound Systems Work
electronics.howstuffworks.com/gadgets/audio-music/underwater-sound-systems.htm
n underwater sound system could get you doing the electric boogaloo on land and in water. Learn how underwater sound systems work.
Breaking Down the Sweeteners
recipes.howstuffworks.com/breaking-down-sweeteners.htm
Do you know what's in that sweetener? We're breaking down the sweeteners in this article.
All 48 Countries of Asia, Sorted by Region
history.howstuffworks.com/world-history/countries-of-asia.htm
Eurasia is the largest continent on Earth, home to a rich tapestry of cultures, languages and histories. From the ancient civilizations of Mesopotamia to the bustling cities of the modern era, the countries of Asia offer a glimpse into the diversity of the world's population.
Can You Identify These Different Types of Sharks?
play.howstuffworks.com/quiz/can-you-identify-these-different-types-of-sharks
Do you clear your schedule for "Shark Week"? Think Bruce from "Jaws" was merely misunderstood? If you view sharks as magnificent masters of the sea rather than mindless eating machines, then you'll sail through this quiz!
How Jellyfish Work
animals.howstuffworks.com/marine-life/jellyfish.htm
Although jellyfish have been around for over 650 million years, they're stil very mysterious. Learn the basics and the jellyfish life cycle.
How Acid Rain Works
science.howstuffworks.com/nature/climate-weather/atmospheric/acid-rain.htm
Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced.
Do You Know Which Religion Is Most Commonly Practiced in These Countries?
play.howstuffworks.com/quiz/do-you-know-which-religion-is-most-commonly-practiced-in-these-countries
There are about 195 different countries in the world. They all have their own cultures and customs and, of course, religious diversity. But who believes what? If you think you know your world religions, grab your globe and prove your faith!
We Challenge You to ID All of These Species If You Think You're a Snake Expert!
Snake eyes are bad when you're rolling the dice, but pretty cool when you're just dealing with real snakes. If you're feeling like betting on your snake expertise, take this quiz and show us what you've got!