Search Results | geology of north america
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Not Just Rocks: The Geology Quiz
play.howstuffworks.com/quiz/geology-quiz
Geologists study the processes and substances that form Earth. Most of those processes happen over millions of years, but this quiz only takes a few minutes! Find out how rock solid your knowledge of geology is.
The Geology Behind 5 American Landmarks
science.howstuffworks.com/environmental/earth/geology/geology-american-landmarks.htm
The U.S. is full of exceptional geological formations. HowStuffWorks looks at at five that set the bar high as far as landmarks go.
The North American Geography Quiz
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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.
15 Must-see Mountain Ranges in the U.S.
science.howstuffworks.com/environmental/earth/mountain-ranges-in-the-us.htm
From the Arctic Circle to the warm climes of the southern border, the mountain ranges in the U.S. offer some of the most stunning, geologically diverse landscapes in North America.
How Do Mountains Form?
science.howstuffworks.com/environmental/earth/geology/earth-s-mountains-are-always-on-move.htm
If geology has taught us anything about Earth's history, it's that nothing is permanent. And that goes for mountain ranges, all of which are constantly rising and falling.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
How Many Continents Are There? Depends Whom You Ask
history.howstuffworks.com/world-history/continents.htm
It may surprise you to know that experts around the world disagree on how many continents are out there. Here's why.
5 Most Coveted Offshore Petroleum Reserves
science.howstuffworks.com/environmental/energy/5-offshore-petroleum-reserves.htm
Untapped petroleum reserves dot the globe. Find out where these untapped petroleum reserves still exist and why oil companies covet them heavily.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
7 Scary Extinct Animals That Were Absolute Terrors
animals.howstuffworks.com/extinct-animals/10-terrifying-extinct-cetaceans.htm
If you thought sea monsters were just the stuff of myth, you thought wrong. With giant, razor-sharp teeth, ancient cetaceans - the ancestors to modern whales, dolphins and porpoises - make even nightmares seem dull.