Challenging Science Test

Question 1 of 10

Joseph Wilbrand invented this in 1863 for use as a yellow dye. But in 1902, it was repurposed to blow stuff up. What is it?

Question 2 of 10

On account of an eerie sound it makes, what is another common name for the spotted hyena?

Question 3 of 10

Rapid eye movement and slow wave are two deep phases of what activity?

Question 4 of 10

Gingivitis is minor but can lead to the more serious periodontitis, affecting what body part?

Question 5 of 10

In 1834, what tree's leaf became the official emblem of the St Jean Baptiste Society, now dedicated to Quebec independence instead of Canadian nationalism?

Question 6 of 10

What organ has an insula and four lobes (frontal, parietal, temporal and occipital)?

Question 7 of 10

Canadians would have been really impressed with the nine-foot-long Castoroides ohioensis. What was it?

Question 8 of 10

What inventor used to make all employees write an "exceedingly simple" 150-question trivia test so tough even Albert Einstein failed it?

Question 9 of 10

Sodium hydroxide is NaOH, also called caustic acid. And it's also called something else. What?

Question 10 of 10

Space rock that enters the Earth's atmosphere is known as a what?

Who Sang Quizzes

Everyone Knows These Songs....

but who sang them? What did you score?

Average Score: 8

37% knows the answer to this question: "Who sang the song, "Stand by Me" (1961)? "
who sang?

Are you one of those 500 people?

Average Score: 8

52% knows the answer to this question: "Who delivered "Hound Dog" (1956)? "
Who sang these songs?

Who is able to name at least 7 artists?

Average Score: 7

99% knows the answer to this question: "Who sang the famous song, "California Dreamin'" (1965)? "
Pop Music Quiz!

Who sang these songs from the '80s

Average Score: 9

85% knows the answer to this question: "Who sang the famous song "Theme From 'New York, New York'" (1980) "
Only a few know all these songs

Do you know who sang these classics?

Average Score: 7

29% knows the answer to this question: "Which rock sensation delivered "Crazy Little Thing Called Love" (1979)? "
Do you know which artists we are looking for?

Got more than 5 right? Let us know below!

Average Score: 6

34% knows the answer to this question: "Which rockabilly legend made "Summertime Blues" (1958) a hit? "

General Knowledge Quizzes

Can you solve this riddle?

10 Mixed Questions

Average Score: 6

51% knows the answer to this question: " "
Can you top a 4 out of 10?

We dare you!

Average Score: 4

28% knows the answer to this question: " "
Challenge Yourself

General Knowledge Quiz

Average Score: 5

49% knows the answer to this question: " "
No way you get all 15 questions right in one try

Average Score: 0

79% knows the answer to this question: " "
Quiz mixed with knowledge

Try proving us wrong!

Average Score: 4

20% knows the answer to this question: " "
Only a genius knows the answer here

Difficult Knowledge Quiz

Average Score: 8

45% knows the answer to this question: " "

Math Quizzes

Math quiz for intelligent people

Average Score: 8

30% knows the answer to this question: "What is 15 + 27? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

88% knows the answer to this question: "How many feet long is a 100-yard football field? "
No one can score a 7 or better

Math Test

Average Score: 9

44% knows the answer to this question: "Which is the largest number? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

23% knows the answer to this question: "How many feet long is a 100-yard football field? "
Math Quiz

We challenge you to score an 8+

Average Score: 9

54% knows the answer to this question: "What is twenty times twenty? "
Math Quiz

Only those who are good with numbers stand a chance!

Average Score: 8

37% knows the answer to this question: "What is 10% of 1,000? "