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The Ultimate Reading a Topographic Map Quiz

play.howstuffworks.com/quiz/reading-topographic-map-quiz

Topographic maps show the landscape in detail. They show the land's contours, elevations, mountains, valleys, bodies of water, vegetation and more. Knowing how to use a topographic map can make cross-country hiking navigation a cinch. Take this quiz to learn more about topographic maps.

Can You Really Outrun a Volcano?

science.howstuffworks.com/nature/natural-disasters/can-outrun-volcano.htm

In the movies it looks so easy. A team of scientists are working near the crater of a volcano when it suddenly erupts. They jump in their vehicle and outrace the surging lava flow to safety. In reality, it just doesn't happen that way.

10 Must-have Herbs and Spices in American Kitchens

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Popular herbs and spices include pepper, oregano, rosemary, garlic and basil. Find out how American kitchens include these popular herbs and spices.

How Volcanoes Work

science.howstuffworks.com/nature/natural-disasters/volcano.htm

Volcanoes are some of nature's most awe-inspiring displays, with everything from exploding mountaintops to rivers of lava. Learn how all the different types of volcanoes work.

10 Longest Rivers in the U.S.: From the Missouri to the Brazos

science.howstuffworks.com/environmental/earth/geophysics/longest-river-in-the-us.htm

We bet you're looking up the longest river in the U.S. to settle a bet: Is it the Missouri River or the Mississippi River? It depends how you measure.

10 Science Questions You Should Really Know How to Answer

science.howstuffworks.com/innovation/science-questions/10-science-questions-you-should-know.htm

Why is the sky blue? What's relativity all about? If you're thinking, "something to do with light and physics and stuff," we have some short explanations for you.

What If We Drilled Into a Supervolcano?

science.howstuffworks.com/science-vs-myth/what-if/what-if-we-drilled-into-supervolcano.htm

What could happen if we poked one of these sleeping giants? There are two scenarios. One is good. One is very, very bad.

What Is the Moon Made Of? Kaleidoscopic Map Sheds Light

science.howstuffworks.com/geologic-moon-map.htm

You're not the first person to ask, "What is the moon made of?" Scientists spent decades creating the Unified Geologic Map of the Moon to answer this and more.

How Sinkholes Work

science.howstuffworks.com/nature/natural-disasters/sinkhole.htm

Sinkholes are much more than holes in the ground. Learn how sinkholes can cause the Earth to swallow up you, your home and your car.

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