What term describes the overflowing of rivers or streams?
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Question 2 of 10
In 1643, one of Galileo's pupils, Evangelista Torricelli, put an empty tube on top of some mercury. When it was really nice out, more mercury was pushed up into the tube. What tool for measuring air pressure had he invented?
Question 3 of 10
A method of making lead-free what was discovered by Eugene Houdry in 1970?
Question 4 of 10
Now used to treat leprosy, what Chemie Grunenthal drug produced a birth defect called phocomelia?
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Question 5 of 10
Oh sure, Eli Whitney invented the cotton gin. But what does a cotton gin actually do?
Question 6 of 10
At Queens University in Ontario, Barrie Frost somehow got what bird on a treadmill, where its characteristic head-bobbing stopped?
Question 7 of 10
What is Earth's nearest neighbour in space?
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Question 8 of 10
Which sea creature produces Calamari?
Question 9 of 10
What scientific unit is used to measure mass?
Question 10 of 10
Valles Marienris can be found on which planet?
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Who Sang Quizzes
Who Sang These Songs?
Which decade do you prefer?
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79% knows the answer to this question:
"Who sang the song, "Georgia on My Mind" (1960)?
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Can you name one of these Legendary Voices?
Which one is your favorite?
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58% knows the answer to this question:
"Which trumpeter serenaded us with “What a Wonderful World” (1967)?
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Who Sang These Songs?
We bet you don't know who it was!
Average Score: 7
25% knows the answer to this question:
"Who sang the song "Everybody (Backstreet's Back)"?
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Can you name the artists of these songs?
Only true music lovers can!
Average Score: 8
29% knows the answer to this question:
"Who unleashed "Good Vibrations" (1966)?
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Can name all the artists we are looking for?
We doubt it! Share if you did!
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46% knows the answer to this question:
"Who sang the song, "I Can’t Get No (Satisfaction)" (1965)?
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Who Sang These Songs?
10 hard questions
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38% knows the answer to this question:
"Who sang the famous song "Red River Rock" (1959)?
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General Knowledge Quizzes
Only the very smart will make a chance to score a flawless 10
General Knowledge Quiz
Average Score: 9
22% knows the answer to this question:
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General Knowledge Quiz
Are you up for the challenge?
Average Score: 4
63% knows the answer to this question:
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How many triangles do you count?
Play Mixed Trivia to see the answer
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29% knows the answer to this question:
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Take This Knowledge Quiz
Let's test your knowledge!
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55% knows the answer to this question:
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Put Your Knowledge to the Test
This quiz is too hard for most of us
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91% knows the answer to this question:
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10 Impossible Trivia Questions
Let us know below what you did
Average Score: 5
70% knows the answer to this question:
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Math Quizzes
Math IQ Test
Do you know the answer?
Average Score: 8
54% knows the answer to this question:
"If it snows 1 inch per hour for 2 days, how many inches of snow is that?
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Math Quiz
Can You Solve It Without a Calculator?
Average Score: 7
26% knows the answer to this question:
"38x39÷38 equals what number?
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Math Quiz
We challenge you to score an 8+
Average Score: 9
79% knows the answer to this question:
"What is twenty times twenty?
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Math Quiz
Absolutely no one scores higher than a 5
Average Score: 8
61% knows the answer to this question:
"What is an estimate?
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Mathematics Quiz
Nobody is able to score a perfect 10
Average Score: 9
91% knows the answer to this question:
"How many in a pair?
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Can you solve this?
go to Math Quiz
Average Score: 9
94% knows the answer to this question:
"If a five day vacations costs 2500 dollars, how much does each day cost?
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Extremely Hard Science Quiz Even Einstein would scratch his head!