What is deterioration of a metal by chemical or electrochemical reaction with its environment?
Question 3 of 10
Which animal's chirps can be used to tell the temperature?
Question 4 of 10
In a "drought", what is absent in terms of weather?
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Question 5 of 10
Torald Sollmann tried to find an antidote to what horrific gas ... by spraying himself with it?
Question 6 of 10
What activity allows humans to go underwater with oxygen tanks and a wetsuit?
Question 7 of 10
The main rotor blades create lift, but also torque. To keep the vehicle from spinning around the rotor, you have other rotors, usually in the tail. What kind of vehicle are you in?
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Question 8 of 10
Henry Heimlich, who created a life-saving manoeuvre, worked in what medical field?
Question 9 of 10
In the 1300s, who designed flapping wing aircraft known as ornithopters, as well as a proto-helicopter that used a helical screw?
Question 10 of 10
Which device would most likely use SMS, or short message service?
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Who Sang Quizzes
who sang?
Are you one of those 500 people?
Average Score: 8
98% knows the answer to this question:
"Who delivered "Hound Dog" (1956)?
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Which bands and artists are we looking for?
Who sang these songs?
Average Score: 8
22% knows the answer to this question:
"Who performed "Surfin’ U.S.A." (1963)?
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1990s: Which Artists Are We Looking For?
Let us know you score below
Average Score: 5
69% knows the answer to this question:
"Who sang the song, "Poison" (1990)?
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Which artists are we looking for?
Do you remember these songs?
Average Score: 7
77% knows the answer to this question:
"Who made “Tears in Heaven” a heartfelt classic in 1992?
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Who sang?
What did you score?
Average Score: 9
97% knows the answer to this question:
"Who sang the famous song, "Rock Around the Clock" (1954)?
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Can you unlock these mysteries?
Who Sang These Songs?
Average Score: 8
91% knows the answer to this question:
"Which soul legend brought us “A Change Is Gonna Come” (1964)?
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General Knowledge Quizzes
General Knowledge Sudden Death Quiz
How many attempts did you need?
Average Score: 0
37% knows the answer to this question:
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10 Mixed Trivia Questions
Will you be able to make it to question 10?
Average Score: 6
62% knows the answer to this question:
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10 Questions about General Knowledge
We bet you can't do better than an 8
Average Score: 6
46% knows the answer to this question:
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General Knowledge Quiz
I was really surprised by question 5
Average Score: 6
28% knows the answer to this question:
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How many triangles do you count?
Play Mixed Trivia to see the answer
Average Score: 6
80% knows the answer to this question:
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Mixed Knowledge Quiz
Did you froze at question7?
Average Score: 6
30% 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
51% knows the answer to this question:
"What is the total of 25 + 53 + 32?
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Mathematics Quiz
Nobody is able to score a perfect 10
Average Score: 9
55% knows the answer to this question:
"How many in a pair?
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No one can score a 7 or better
Math Test
Average Score: 9
24% knows the answer to this question:
"Which is the largest number?
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Math Quiz
Can you solve this?
Average Score: 7
46% knows the answer to this question:
"789+530+271 equals what number?
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Mathematics Quiz
Try to stay on your feet!
Average Score: 9
52% knows the answer to this question:
"What is the total of 101 + 73 + 16?
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Math Quiz
Can You Solve It Without a Calculator?
Average Score: 7
51% knows the answer to this question:
"38x39÷38 equals what number?
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Extremely Hard History Quiz, most people score only 3 out of 10.