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
At Queens University in Ontario, Barrie Frost somehow got what bird on a treadmill, where its characteristic head-bobbing stopped?
Question 6 of 10
What is Earth's nearest neighbour in space?
Question 7 of 10
Oh sure, Eli Whitney invented the cotton gin. But what does a cotton gin actually do?
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Question 8 of 10
Which sea creature produces Calamari?
Question 9 of 10
Valles Marienris can be found on which planet?
Question 10 of 10
What scientific unit is used to measure mass?
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Who Sang Quizzes
Who Sang These Songs?
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Average Score: 8
32% knows the answer to this question:
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These Songs Filled The Airwaves
but do you know who sang them?
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68% knows the answer to this question:
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Who Sang These Songs?
10 hard questions
Average Score: 7
39% knows the answer to this question:
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Who Sang These 70s Songs?
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48% knows the answer to this question:
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Who Sang These Songs?
How many artists did you know?
Average Score: 8
20% knows the answer to this question:
"Who originally rocked "Hound Dog" (1956)?
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Who Sang These Songs?
Can you match the artist?
Average Score: 9
87% knows the answer to this question:
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General Knowledge Quizzes
Mixed Knowledge Quiz
What did you score?
Average Score: 4
36% knows the answer to this question:
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Official IQ Test
Impossible to Score a 6 or higher
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91% knows the answer to this question:
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Trivia Contest
Will you succeed?
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75% knows the answer to this question:
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Mixed Trivia Quiz for Intellectuals
Dare to play?
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82% knows the answer to this question:
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Sudden Death Quiz Challenge
How far did you get?
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43% knows the answer to this question:
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10 Mixed Knowledge Questions
What was the hardest question?
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43% knows the answer to this question:
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Math Quizzes
Math Quiz
Only those who are good with numbers stand a change!
Average Score: 8
69% knows the answer to this question:
"How many feet long is a 100-yard football field?
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Math Quiz
Can You Solve It Without a Calculator?
Average Score: 8
65% knows the answer to this question:
"687+462+237 equals what number?
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Math Quiz
Can You Solve It Without a Calculator?
Average Score: 7
68% knows the answer to this question:
"38x39÷38 equals what number?
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Math Quiz
Only those who are good with numbers stand a change!
Average Score: 8
38% knows the answer to this question:
"How many feet long is a 100-yard football field?
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Math Quiz
We hope you'll score higher than a 3+4
Average Score: 7
63% knows the answer to this question:
"40x41÷40 equals what number?
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Math Examination
Try scoring a 7+
Average Score: 9
85% knows the answer to this question:
"How many inches are in a foot?
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Who or what am I?
Who or what am I?
Extremely Hard History Quiz, most people score only 3 out of 10.