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Do You Know What Continents These Landforms Are From?
play.howstuffworks.com/quiz/do-you-know-what-continents-these-landforms-are-from
Landforms are some of the most marvelous wonders the earth has ever produced, but these inspiring wonders differ depending on the environment in which they're found. Take this quiz and see if you can match the landform to the continent where they can be seen!
Do You Know the Geographic Features of the UK?
play.howstuffworks.com/quiz/do-you-know-the-geographic-features-of-the-uk
The UK isn't as extreme as some nations, but nevertheless, it has within its borders some truly epic geography. It's time to put your geographic knowledge to the test and find out if you can recognize its natural beauty for what it is!
What Happens When a Keystone Species Goes Extinct?
science.howstuffworks.com/environmental/conservation/issues/keystone-species-extinct.htm
Keystone species in an ecosystem function much like a keystone in an arch. Without them the structure collapses. Learn about keystone species.
How in the World Does a Waterfall Freeze?
science.howstuffworks.com/nature/climate-weather/atmospheric/frozen-waterfall.htm
It might seem that the constant rushing of water over a falls would keep it from freezing, but that isn't always the case. Check out the science behind the phenomenon of the frozen waterfall.
How is volcanic ash made?
science.howstuffworks.com/nature/natural-disasters/volcanic-ash.htm
Volcanic ash is what's left after a volcano literally blows its top. Learn how volcanic ash can devastate everything under its gray blanket.
World's Largest Wolves by Weight: The Mighty and the At-Risk
animals.howstuffworks.com/mammals/largest-wolves.htm
The world's largest wolves weigh up to 175 pounds (79.4 kilograms) and measure up to 6 feet (1.8 meters) in length.
Can You Identify All of These Flowering Trees From an Image?
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Flowering trees can grow just about anywhere and they brighten up every location they're in. Show them some appreciation by matching them to their names in this quiz.
How Lewis and Clark Worked
history.howstuffworks.com/historical-figures/lewis-and-clark.htm
Lewis and Clark are famous for exploring the Louisiana Purchase. Learn about the exploration of Lewis and Clark and their Corps of Discovery.
What Is a Glacier? Everything to Know About These Ice Masses
science.howstuffworks.com/environmental/earth/geophysics/glacier.htm
Glaciers are rivers of ice and are the largest moving objects on Earth. Learn about glaciers and find out how much freshwater are frozen in glaciers.
How Thoroughbred Horses Work
animals.howstuffworks.com/mammals/thoroughbred-horse.htm
Thoroughbred horses aren't just pretty; they're the end result of centuries of breeding and record-keeping. Learn about the history and purpose of thoroughbred horses at HowStuffWorks.