Search Results | reef
Your search for "reef" returned 208 results
Can You Name All of These World Heritage Sites?
play.howstuffworks.com/quiz/can-you-name-all-of-these-world-heritage-sites
We only have one Earth, and the easiest way you can show your appreciation for it is by recognizing its brilliance. Some of the world's most endangered animals, oldest cities and rarest land formations are protected in World Heritage Sites around the globe. Put your skills to the test and see if you can recognize them all.
The Destiny Lore Quiz
play.howstuffworks.com/quiz/the-destiny-lore-quiz
In a battle of Light versus Darkness, the last vestiges of humanity against sinister and terrifying forces from all corners of the galaxy, how much of the lore of Destiny do you know? Head to the Last City and take the quiz!
The Land Down Under: The Australian Geography Quiz
play.howstuffworks.com/quiz/australian-geography-quiz
You may already know that the Australian continent includes the Australian mainland and nearby islands, but how well-versed are you in some of the finer details of its geography? Test your knowledge of the "land down under" with this Australian geography quiz.
The Most Beautiful Countries in the World, Sorted by Region
science.howstuffworks.com/nature/most-beautiful-countries-in-the-world.htm
Any avid traveler knows there are far too many gorgeous landscapes and jaw-dropping views to make one all-encompassing list of the most beautiful countries in the world. We're lucky to have such a diverse world, and beauty is subjective.
The North American Geography Quiz
play.howstuffworks.com/quiz/north-american-geography-quiz
North America encompasses huge expanses of water and land. What do you know about this area's people, geology and climate? Take this quiz to find out.
Will I get sick if I eat barracuda?
animals.howstuffworks.com/fish/eat-barracuda.htm
Barracudas already have a menacing reputation in the underwater world, but what if we turn them into the prey? Will I get sick if I eat barracuda?
How Whale Sharks Work
animals.howstuffworks.com/fish/sharks/whale-shark.htm
How whale sharks work is fascinating. See how whale sharks work and if whale shark length exceeds a bus.
Travel the World: The Australian States Quiz
play.howstuffworks.com/quiz/travel-the-world-the-australian-states-quiz
G'day mate! Australia's one of the most expansive, rich and quirky places in the world. In fact, it's its own continent! Do you think you know everything there is to know about the great states and territories that make up the wild Outback? Take this quiz and find out!
What is activated charcoal and why is it used in filters?
science.howstuffworks.com/environmental/energy/question209.htm
Charcoal is carbon. Activated charcoal is charcoal that has been treated with oxygen to open up millions of tiny pores between the carbon atoms. What does this have to do with its absorbancy?
What is electroreception and how do sharks use it?
animals.howstuffworks.com/fish/sharks/electroreception.htm
Sharks use electroreception to locate prey. Learn how the elasmobranch family uses electroreception and what ions have to do with electroreception.