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What Are Mines?
science.howstuffworks.com/engineering/structural/underground-mining.htm
Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?
Can You Identify All of These Common Tools Used by Construction Workers?
play.howstuffworks.com/quiz/can-you-identify-all-of-these-common-tools-used-by-construction-workers
If you want to build anything, you need to make sure you have the right tools. And what are the right tools? You tell us! Take the quiz and hit the nail on the head!
Can You Identify These Military Weapons From WWII?
play.howstuffworks.com/quiz/can-you-identify-these-military-weapons-from-wwii
Get technical with the arms for this military quiz. We show you images of World War II weaponry that you get to ID. Celebrate your knowledge of lethal contraptions produced during the war that bested all other wars before it. Your Second World War ordnance knowledge is needed now!
Can You Name the Sport From the Athlete?
play.howstuffworks.com/quiz/can-you-name-the-sport-from-the-athlete
Alright, sports fans, here's a quiz that covers the top athletes from a variety of sports. Are you going to be able to get every question right, or will those golf stars trick you into thinking they're tennis players? Get started and find out.
Can You Match the National Park to the U.S. State?
play.howstuffworks.com/quiz/can-you-match-the-national-park-to-the-us-state
There's so much more to America than fascinating buildings and elaborate cityscapes. This U.S. national parks quiz showcases nature's outstanding design achievements. Prepare to be wowed by stunning facts and photos!
Can You Match These 2019 Free Agents to Their New NFL Teams?
play.howstuffworks.com/quiz/can-you-match-these-2019-free-agents-to-their-new-nfl-teams
Free agency can be both a time of chaos and a time of excitement as players move around the league looking for better opportunities. Are you familiar with the players who found a new home in 2019?
Can You Identify the Bread From an Image and a Hint?
play.howstuffworks.com/quiz/can-you-identify-the-bread-from-an-image-and-a-hint
Who knows where the world would be without bread. It's one of the greatest man-made foods of all time and it's all around us. Can you name a type of bread just from an image and a hint? Put your skills to the test here.
When Were the Twin Towers Built?
science.howstuffworks.com/engineering/structural/wtc.htm
The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.
NASA's 10 Greatest Achievements
science.howstuffworks.com/ten-nasa-achievements.htm
NASA's 10 greatest achievements range from technical feats to displays of human ingenuity. Learn about NASA's 10 greatest achievements.
The Aging Process
health.howstuffworks.com/wellness/aging/aging-process/aging.htm
Knowing how and why your body changes with age can help you prevent certain conditions and slow down the aging process. Learn about the aging process here.