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What's the Biggest State in the U.S.A.?
science.howstuffworks.com/environmental/earth/geophysics/biggest-state-in-usa.htm
The United States is divided into 50 states, small and large. So which is the biggest state in the U.S.A.?
Tree Activities for Kids
lifestyle.howstuffworks.com/crafts/nature-crafts/tree-activities-for-kids.htm
These fun tree activities introduce kids to nature's giants. See how to grow a tropical tree, tap maple syrup, and more fun tree activities for kids.
Dog Parks Guide
animals.howstuffworks.com/pets/pet-travel/dog-parks.htm
Dog parks are as diverse as the breeds that use them. Learn all about dog parks in this article from Animal Planet.
How Supervolcanoes Work
science.howstuffworks.com/nature/natural-disasters/supervolcanoes.htm
Only a few natural events pack the power to knock global civilization on its heels. One is a planet-killing meteor. Care to guess the other?
Which Interstate Highways Run Between These States?
play.howstuffworks.com/quiz/which-interstate-highways-run-between-these-states
Traveling from Texas to Florida for a family trip to Disney World? Need to head home to Maine from your NYC condo to visit family? You could suck it up and deal with the hassles of flying, or hop in your car and make the trip via the Interstate Highway System, the largest such highway network in the world. Take our quiz to see how much you know about this coast-to-coast travel network.
UFO History
science.howstuffworks.com/space/aliens-ufos/ufo-history.htm
Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. Learn the history of UFOs from ancient times to the mid-20th century.
Railroad Expansion
history.howstuffworks.com/american-history/railroad-expansion.htm
The railroad expansion of the middle and late 1800s changed America forever. Read more about the westward expansion of railroads.
Bird-Watching Projects for Kids
lifestyle.howstuffworks.com/family/activities/bird-watching-projects-for-kids.htm
These bird-watching projects for kids are a great introduction to the hobby of birding. Learn about some interesting bird-watching projects for kids.
HowStuffWorks Newsletter Quiz
www.howstuffworks.com/howstuffworks-newsletter-quiz.htm
If you took one of our recent newsletter quizzes, you've come to the right place for the answers.