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Question 1 of 10
Carrots were part of the British cover story to conceal the existence of what invention, which led to the microwave ovens in which we can cook carrots today?
Question 2 of 10
A cord is 128 cubic feet of something. What?
Question 3 of 10
What is the fifth largest planet in the solar system, as well as the "third rock from the Sun"?
Question 4 of 10
Trumpeting a process invented by Hans Laube, a Swiss professor of osmics, a 1960 poster announced, "First they moved! Then they talked! Now they smell!" What were they?
Question 5 of 10
Which of these items in a kid's bedroom would most interest somebody who studies petrology?
Question 6 of 10
Le Grand K, a cylinder of platinum and iridium, is a standard measure of what metric unit?
Question 7 of 10
What does your car's camshaft do?
Question 8 of 10
Who would claim that Romanian-born Hermann Olbeth had stolen his ideas about liquid-rocket propulsion?
Question 9 of 10
Who saved France's silkworm industry by finding the parasites that were infecting mulberry leaves and the silkworms that ate those leaves?
Question 10 of 10
What name is shared by a premolar tooth and by the mitral valve of the heart?
Who Sang Quizzes
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Who Sang These Songs?
Did you know more than 7 songs?
Average Score: 984% knows the answer to this question: "Who sang the famous song "Graceland" (1987) ? " -
Who Sang These Songs?
Can you answer these 10 music questions correctly?
Average Score: 873% knows the answer to this question: "Who sang the famous song "I Say A Little Prayer" (1968) ? " -
Who Sang These Songs?
10 hard questions
Average Score: 756% knows the answer to this question: "Who sang the famous song "Red River Rock" (1959)? " -
Who Sang These Songs?
Do you know more than 5 of these songs?
Average Score: 982% knows the answer to this question: "Who sang the famous song ”Material Girl” (1985)? " -
Can you name the singers of these songs?
Do you know the artist of all these songs?
Average Score: 367% knows the answer to this question: "Who sang the famous song "Marathon" (1985)? " -
Who Sang These Songs?
Which music decade is your favorite?
Average Score: 751% knows the answer to this question: "Who sang the song, "Stayin' Alive" (1977)? "
History Quizzes
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Calling All History Buffs!
Can You Beat the Experts?
Average Score: 754% knows the answer to this question: "Which treaty ended the Thirty Years' War in 1648? " -
History Quiz
Tell us if you are a true historian
Average Score: 954% knows the answer to this question: "Who was the creator of the Mongol empire? " -
History Quiz
Are you celebrating a perfect 10? Please tell us!
Average Score: 994% knows the answer to this question: "What year was John F. Kennedy assassinated? " -
1980s Nostalgia Quiz
Try scoring a 7 or higher
Average Score: 831% knows the answer to this question: "What iconic video game was released in 1980 and featured a little yellow character gobbling up pellets while avoiding ghosts? " -
History Trivia Quiz
Scoring higher than a 6 is impossible!
Average Score: 595% knows the answer to this question: "What mountains were first crossed by Blaxland, Lawson and Wentworth in 1813? " -
Sudden Death Quiz
10 history questions
Average Score: 091% knows the answer to this question: "What number is equal to Roman numeral V? "
Geography Quizzes
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Geography Quiz
You're invited!
Average Score: 551% knows the answer to this question: "What nationality is the explorer Vasco Nunez de Balboa? " -
10 Question About Planet Earth
Did you score a 10? Let us know below!
Average Score: 628% knows the answer to this question: "Which is the largest continent on Earth? " -
Play This Geography Quiz Now!
It's going to be impossible to score a 6+
Average Score: 689% knows the answer to this question: "Which country lies directly south of Mongolia? " -
Geography Quiz
Think you can find your way?
Average Score: 663% knows the answer to this question: "One of the world's largest herds of what roam around the deserts of Australia? " -
Geography Quiz
Thumbs up when you score a 10/10
Average Score: 567% knows the answer to this question: "What was the middle name of the explorer Captain Scott? " -
Geography Quiz
Did you find your way to the last question?
Average Score: 483% knows the answer to this question: "Fulham is in which London postcode? "
Music Quizzes
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10 difficult questions about John Denver
Let us know your score in the comments
Average Score: 620% knows the answer to this question: "What was John Denver's birth name? " -
Alternative Rock Music Quiz
Have you ever heard of any of these bands?
Average Score: 583% knows the answer to this question: "Which band released the influential alternative rock album "OK Computer" in 1997? " -
Barbra Streisand Quiz
Average Score: 360% knows the answer to this question: "What is Barbra Streisand's middle name? "
Science Quizzes
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Can you get a better score than a 7?
Average Score: 734% knows the answer to this question: "In WWII who flew around in a plane called Avalon, named for St George's lance? " -
Quiz on Science
Did you complete the mission?
Average Score: 984% knows the answer to this question: "What is a young kangaroo called? "
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Do you remember these old cities?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Very hard geography quiz, can you get more than 5 correct?