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

Would you be able to recognize the singer of these songs?

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Average Score: 8

51% knows the answer to this question: "Who sang the famous song "Peggy Sue" (1962)? "
Who Sang These Songs?

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Average Score: 9

45% knows the answer to this question: "Who sang "Great Balls of Fire" (1957)? "
Who Sang These Songs?

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91% knows the answer to this question: "Who turned “I Just Called to Say I Love You” into a global hit in 1984? "
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Average Score: 9

60% knows the answer to this question: "Who sang the song, "I Can’t Get No (Satisfaction)" (1965)? "
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Who sang these songs?

Average Score: 0

42% knows the answer to this question: "Who sang the famous song "There Must Be An Angel" (1985) ? "
Who Sang These Songs?

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Average Score: 6

92% knows the answer to this question: "Who delivered the smooth ballad “Careless Whisper” in 1984? "

General Knowledge Quizzes

Nobody scores above 6 in this IQ test

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Average Score: 7

61% knows the answer to this question: " "
Are You Brave Enough?

This Knowledge Quiz will make you quit before the end

Average Score: 5

75% knows the answer to this question: " "
10 Trivia Questions For You

So... what did you score?

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64% knows the answer to this question: " "
Sudden Death Quiz

How many chances did you need?

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59% knows the answer to this question: " "
Challenging Knowledge Quiz

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69% knows the answer to this question: " "
Mixed Quiz

Did you find the missing number?

Average Score: 8

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Math Quizzes

Mathematics Quiz

Are you a real mastermind in mathematics?

Average Score: 7

24% knows the answer to this question: "It was 13 degrees this morning and the temperature dropped 12 degrees, what is the temperature now? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

36% knows the answer to this question: "How many feet long is a 100-yard football field? "
Math Quiz

Only those who are good with numbers stand a chance!

Average Score: 10

35% knows the answer to this question: "Which number is most commonly considered unlucky? "
Math Quiz

We hope you're smart enough for these questions

Average Score: 8

34% 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

We hope you'll score higher than a 3+4

Average Score: 7

77% knows the answer to this question: "If you are 24 years old. How old will you be in 27 years time? "
Math Examination

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Average Score: 9

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