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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

These Songs Defined A Generation

But Who Sang These 2000s Songs?

Average Score: 4

71% knows the answer to this question: "Who sang the song, "Last Nite" (2001)? "
Do you know Who Sang These Songs?

Let us know your score below

Average Score: 8

70% knows the answer to this question: "Who sang the famous song, "Jailhouse Rock" (1957)? "
Who Sang These Songs From The 60s, 70s & 80s?

Let us know your score below!

Average Score: 7

90% knows the answer to this question: "Who sang the famous song, "Oh, Pretty Woman" (1964)? "
Can you tell us who sang these songs?

Share you score below

Average Score: 9

46% knows the answer to this question: "Who sang the song, "(Sittin’ on) The Dock of the Bay" (1968)? "
Dare to step out of your comfort zone?

Who Sang These 90s Hip-Hop Songs?

Average Score: 4

46% knows the answer to this question: "Who sang the song, "Juicy" (1994)? "
who sang?

We challenge you to get at least a 6

Average Score: 7

59% knows the answer to this question: "Which artist rocked "Blue Suede Shoes" (1956)? "

General Knowledge Quizzes

Mixed Knowledge Quiz

You won't score a 10/10

Average Score: 5

94% knows the answer to this question: " "
Free daily quizzes!

It seemed like a simple quiz for you, but perhaps we were mistaken?

Average Score: 4

91% knows the answer to this question: " "
General Knowledge Quiz

Let everyone know what you think the answer is

Average Score: 7

98% knows the answer to this question: " "
General Knowledge Quiz

Are you the first one to score a perfect 10?

Average Score: 4

54% knows the answer to this question: " "
10 general knowledge questions

are you one of the 5%?

Average Score: 8

47% knows the answer to this question: " "
Quiz for Smart People

Are you smarter than him? Prove us!

Average Score: 5

88% knows the answer to this question: " "

Math Quizzes

Math Quiz

Only those who are good with numbers stand a change!

Average Score: 9

35% knows the answer to this question: "What is 123 times 4? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

52% knows the answer to this question: "38x39÷38 equals what number? "
Math Quiz

We hope you can do better than a simple 5

Average Score: 9

95% knows the answer to this question: "180+124+68 equals what number? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

61% 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: 8

36% knows the answer to this question: "What is 10% of 1,000? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

76% knows the answer to this question: "What is an estimate? "