See if you can conquer this challenging science quiz.
Question 1 of 10
In AD 919, the Chinese used this to make "fire lances." A German monk, Berthold Schwarz, may have been the first to bring this to Europe, in the early 1300s. What is it?
Question 2 of 10
This planet's famous rings are made of ice-covered rock and dust, less than 200 km thick, but more than 270,000 km wide. And its inner moons are close enough to the rings to twist, braid and sweep them with their gravity. What planet is this?
Question 3 of 10
What citrus juice interferes with dozens of medications, because they are broken down by enzymes in the juice?
Question 4 of 10
Sixty million years ago, a snake called Titanoboa cerrejonesis ate crocodiles whole. At 45 feet long, it was as long as what object?
Question 5 of 10
The president of a postcard company happened to notice William Gruber at the Oregon Caves National Monument, where he was testing his new invention by taping two cameras together as a way to recreate the stereoscope. What did this become?
Question 6 of 10
Movies are letterboxed because old style TV screens are what?
Question 7 of 10
What animal's pit can detect a change in temperature of as little as one five-hundredth of a degree, which makes it a kind of ophidian infrared?
Question 8 of 10
The 1987 Lincoln Town Car is often called the first car to have what audio component?
Question 9 of 10
What device used thermal paper, which curled, blackened when you scratched it, had text that vanished over time and had poor resolution as ink spread into the paper?
Question 10 of 10
What is the most abundant element in the known universe?
Who Sang Quizzes
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Who sang these songs?
10 hard questions
Average Score: 750% knows the answer to this question: "Who sang the famous song "Brothers In Arms" (1985) " -
Can you tell us who sang these songs?
Good luck playing!
Average Score: 924% knows the answer to this question: "Who sang the famous song "I Heard It Through The Grapevine" (1969) " -
You will fail with at least 3 of these songs!
The questions is, which one DO you know?
Average Score: 947% knows the answer to this question: "Who sang the famous song "I Will Survive" (1979) ? " -
Who were the singers of these songs?
Did you have all 10 songs correctly?
Average Score: 646% knows the answer to this question: "Who sang the famous song "Under Pressure" (1981) ? " -
Who Sang These Songs?
Do you know more than 5 of these songs?
Average Score: 665% knows the answer to this question: "Who sang the famous song "Be Here To Love Me" (2004)? " -
Who Sang These Songs?
Can you match the artist?
Average Score: 948% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "
History Quizzes
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10 Questions about History
Did you know enough for a 10/10?
Average Score: 441% knows the answer to this question: "What was the name of the train that was Britains first streamline train service - launched on September 30th 1935? " -
10 Questions about History
Do you like History Quizzes?
Average Score: 466% knows the answer to this question: "What was the name of the chemical element created by the Berkeley University in March 1950? " -
Unbeatable History Quiz
Can you beat this quiz?
Average Score: 957% knows the answer to this question: "Which Hun emperor is called the Scourge of God? " -
Quiz on historical events.
Please share your score no matter how low or high
Average Score: 645% knows the answer to this question: "In which century was pioneering nurse and heroine of the Crimean War Mary Seacole born? " -
Across the Pond: UK & USA History Quiz
We would love to see your score below
Average Score: 977% knows the answer to this question: "Which famous London landmark, completed in 1894, was designed by Sir Joseph Bazalgette and serves as a critical transportation hub? " -
History Quiz
Sorry if you didn't score a 6 or higher
Average Score: 663% knows the answer to this question: "What was Germany's main strategy for trying to conquer Britain in World War 1I? "
Geography Quizzes
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Geography Quiz
Thumbs up when you score a 10/10
Average Score: 560% knows the answer to this question: "What was the middle name of the explorer Captain Scott? " -
Play This Geography Quiz Now!
It's going to be impossible to score a 6+
Average Score: 684% knows the answer to this question: "Which country lies directly south of Mongolia? " -
Geography Quiz
Think you can find your way?
Average Score: 678% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? " -
HARD Science Quiz
We hope you're smart enough to score a 7+
Average Score: 475% knows the answer to this question: "What is the capital of Kentucky? " -
10 Question About Planet Earth
Did you score a 10? Let us know below!
Average Score: 639% knows the answer to this question: "Which is the largest continent on Earth? " -
Geography Quiz
You're invited!
Average Score: 523% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? "
Music Quizzes
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Alternative Rock Music Quiz
Have you ever heard of any of these bands?
Average Score: 595% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? " -
10 difficult questions about John Denver
Let us know your score in the comments
Average Score: 632% knows the answer to this question: "What was John Denver's birth name? " -
Barbra Streisand Quiz
Average Score: 341% knows the answer to this question: "What is Barbra Streisand's middle name? "
Science Quizzes
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Quiz on Science
Did you complete the mission?
Average Score: 973% knows the answer to this question: "What is a young kangaroo called? " -
Can you get a better score than a 7?
Average Score: 732% knows the answer to this question: "In WWII who flew around in a plane called Avalon, named for St George's lance? "
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Do you know who these famous people from the 60s and 70s are?
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Everybody likes music, but how much do you know about it?
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Who or what am I?