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 these famous artists?

Show your music knowledge in the comments

Average Score: 8

46% knows the answer to this question: "Who sang “Stayin’ Alive” (1977)? "
Music Quiz For Music Geniuses

Who Sang These Songs?

Average Score: 7

68% knows the answer to this question: "Which Motown classic charmed audiences with "My Girl" (1964)? "
Who Sang These Songs?

Do you think you can name at least 5?

Average Score: 9

66% knows the answer to this question: "Who sang the famous song "Suspicious Minds" (1969) "
You Know The Songs...

but who sings it? Let us know how many you knew!

Average Score: 7

52% knows the answer to this question: "Who sang the song, "Build Me Up Buttercup" (1968)? "
Who Sang These Songs?

How many artists did you know?

Average Score: 8

43% knows the answer to this question: "Who originally rocked "Hound Dog" (1956)? "
Play Quiz

Average Score: 7

91% knows the answer to this question: "Who sang the emotional ballad “Nothing Compares 2 U” (1990)? "

General Knowledge Quizzes

Can you name the artists?

We bet you can't name half of these!

Average Score: 8

56% knows the answer to this question: " "
General Knowledge Quiz

What did you score?

Average Score: 0

49% knows the answer to this question: " "
10 Trivia Questions For You

So... what did you score?

Average Score: 5

85% knows the answer to this question: " "
15 Hard General Knowledge Questions

Find out if you have any brains

Average Score: 0

44% knows the answer to this question: " "
Test Your General Knowledge

Play quiz to get the correct answer

Average Score: 5

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

Are you smart enough to nail this one?

Average Score: 0

36% knows the answer to this question: " "

Math Quizzes

No one can score a 7 or better

Math Test

Average Score: 9

69% knows the answer to this question: "Which is the largest number? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 8

80% knows the answer to this question: "687+462+237 equals what number? "
Math Quiz

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

Average Score: 7

76% knows the answer to this question: "40x41÷40 equals what number? "
Can you solve this?

go to Math Quiz

Average Score: 9

60% knows the answer to this question: "If a five day vacations costs 2500 dollars, how much does each day cost? "
Math Quiz

We challenge you to score an 8+

Average Score: 9

27% knows the answer to this question: "What is twenty times twenty? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

43% knows the answer to this question: "What is an estimate? "