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Challenging Science Quiz

Question 1 of 10

Which scientific term is defined as outside of our galaxy?

Question 2 of 10

Which of these is one of the three basic cloud forms?

Question 3 of 10

At what temperature does water freeze?

Question 4 of 10

For many of us, the morning just isn't right until you've had a shot of C8H10N4O2, aka trimethylxanthine. Where would you get it?

Question 5 of 10

In which part of the bone is blood made?

Question 6 of 10

Rainforests are characterised by high what?

Question 7 of 10

The Gila River is a tributary of the Colorado River. But what is the gila monster?

Question 8 of 10

It vomits enzymes into the wound it creates, which liquefies the corpse, so that it can literally drink what it kills. What is it?

Question 9 of 10

What was the first sound-recording device called?

Question 10 of 10

Introduced by Japanese ophthalmologist Shinobu Ishihara in 1917, what does the Ishihara test determine?

Who Sang Quizzes

Who Sang These Famous Classic Rock Songs?

What's your favorite classic rock hit? Let us know in the comments!

Average Score: 7

81% knows the answer to this question: "Who sang “More Than a Feeling” in 1976? "
Music Quiz For Music Geniuses

Who Sang These Songs?

Average Score: 7

96% knows the answer to this question: "Which Italian tenor soared with "Volare" (1958)? "
Who Sang These Songs?

Can you answer more than 6 questions correctly?

Average Score: 9

98% knows the answer to this question: "Who sang the famous song "Wake Me Up Before You Go Go" (1992)? "
Who Sang These Famous Classic Rock Songs?

What's your favorite classic rock hit? Let us know in the comments!

Average Score: 7

73% knows the answer to this question: "Who sang “More Than a Feeling” in 1976? "
Who Sang These 2000s Songs?

Scoring a 4 is already awesome! Dare to share?

Average Score: 7

46% knows the answer to this question: "Who sang the song, "Toxic" (2003)? "
Who Sang These Songs?

Do you still sing-a-long?

Average Score: 7

35% knows the answer to this question: "Who brought us “Stand By Me” in 1961? "

General Knowledge Quizzes

Challenging Knowledge Quiz

This quiz is way too hard for you!

Average Score: 6

64% knows the answer to this question: " "
Challenging Knowledge Quiz

Let's hope you'll score higher than a 5

Average Score: 6

58% knows the answer to this question: " "
10 Mixed Knowledge Questions

What was the hardest question?

Average Score: 4

80% knows the answer to this question: " "
General Knowledge Quiz

Scored a 10? Share this quiz!

Average Score: 7

68% knows the answer to this question: " "
10 general knowledge questions

are you one of the 5%?

Average Score: 8

75% knows the answer to this question: " "
General Knowledge Quiz

Can you please try and beat this woman!

Average Score: 4

96% knows the answer to this question: " "

Math Quizzes

Mathematics Quiz

Try to stay on your feet!

Average Score: 9

51% knows the answer to this question: "What is the total of 101 + 73 + 16? "
Math Examination

Try scoring a 7+

Average Score: 9

59% knows the answer to this question: "How many inches are in a foot? "
Math IQ Test

Do you know the answer?

Average Score: 8

83% knows the answer to this question: "If it snows 1 inch per hour for 2 days, how many inches of snow is that? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

97% knows the answer to this question: "What is an estimate? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

91% knows the answer to this question: "How many feet long is a 100-yard football field? "
Math Quiz

Please let us know your score below

Average Score: 9

95% knows the answer to this question: "What is 18 doubled? "

Extremely hard mixed knowledge quiz, how many did you answer correctly?
Very hard geography quiz, can you get more than 5 correct?
Extremely Hard History Quiz, most people score only 3 out of 10.