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Science Quiz with challenging questions

Question 1 of 10

When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results?

Question 2 of 10

What is the name of the holes in the nose?

Question 3 of 10

Which of these is a liquid?

Question 4 of 10

What would you do to a bucket of sand and water to separate one from the other?

Question 5 of 10

What element is a diamond composed of?

Question 6 of 10

At the end of the mouth is the pharynx, a traffic cop that directs air down the trachea and food down the oesophagus. What flap shuts the trachea when you eat?

Question 7 of 10

In 1996, there wasn't a single American state in which at least 20% of the people were obese. By 2007, every state had an obesity rate of at least 20%, except for what Rocky Mountain state?

Question 8 of 10

New Zealanders are convinced that Richard Pearse invented this in Timaru, nine months before it was invented at Kitty Hawk. What?

Question 9 of 10

What sort of organisms can be genetically engineered?

Question 10 of 10

What type of substances do we get from substances called 'ores'?

Who Sang Quizzes

Can You Name The John Denver Song?

Most people only know 4!

Average Score: 8

53% knows the answer to this question: "From which John Denver song comes the famous line "All my bags are packed, I'm ready to go" "
Play Quiz

Average Score: 9

56% knows the answer to this question: "Who performed the hit song “Like a Rolling Stone” (1965)? "
Who Sang These Songs?

Nobody knows more than 4 songs

Average Score: 7

56% knows the answer to this question: "Who sang the famous song "Rock With You" (1979)? "
Which artists sang these songs?

We bet you can't get more than 5 right

Average Score: 7

26% knows the answer to this question: "Who sang "I Got You (I Feel Good)" (1965)? "
Who Sang These Legendary Songs?

Most can't name more than 7 artists!

Average Score: 7

39% knows the answer to this question: "Who sang "In the Midnight Hour" (1965)? "
You Know The Songs.....

but do you know the voice? What did you score?

Average Score: 7

47% knows the answer to this question: "Who sang the song, "The Twist" (1960)? "

General Knowledge Quizzes

Challenging Knowledge Quiz

Who is able to ace every question?

Average Score: 5

57% knows the answer to this question: " "
General Knowledge Quiz

Which question took you the longest to answer?

Average Score: 5

86% knows the answer to this question: " "
Difficult Knowledge Quiz

You will also fail at question 9

Average Score: 9

32% knows the answer to this question: " "
10 Knowledge Questions

Find out if you have a brilliant mind

Average Score: 6

80% knows the answer to this question: " "
Sudden Death Quiz

How many chances did you need?

Average Score: 0

56% knows the answer to this question: " "
15 Sudden Death Questions

How far did you get?

Average Score: 0

73% knows the answer to this question: " "

Math Quizzes

Mathematics Quiz

Do you know the answer?

Average Score: 9

23% knows the answer to this question: "How many CD racks does it take to hold 300 CDs if each rack holds 75 CDs? "
Math Quiz

We hope you're smart enough for these questions

Average Score: 8

80% knows the answer to this question: "If you eat 23 sweets from a tub that contains 687 how many sweets do you have left? "
Math Quiz

Please let us know your score below

Average Score: 9

96% knows the answer to this question: "What is 18 doubled? "
Mathematics Quiz

Are you a real mastermind in mathematics?

Average Score: 7

72% knows the answer to this question: "It was 13 degrees this morning and the temperature dropped 12 degrees, what is the temperature now? "
Test Your Math Knowledge

Absolutely nobody scores a solid 10

Average Score: 9

36% knows the answer to this question: "What number when added to 1661, gives 2723? "
Nobody will score higher than a 4

Because nobody is as smart as Einstein!

Average Score: 6

76% knows the answer to this question: "What is a polynomial with two terms called? "