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

Who is the singer of these songs?

Please tell us if you know more than 6 songs

Average Score: 9

71% knows the answer to this question: "Who sang the famous song "Imagine" (1971) ? "
Who Sang These Songs?

Who is able to score higher than a 6?

Average Score: 7

40% knows the answer to this question: "Which trumpet-voiced legend warmed hearts with “What a Wonderful World” (1967)? "
Do you know the answers?

Find out by playing this quiz!

Average Score: 7

66% knows the answer to this question: "Who sang the famous song "Living Doll" (1986) "
Are you a music expert?

Who Sang These Songs?

Average Score: 7

50% knows the answer to this question: "Which legendary crooner made "Fly Me to the Moon" (1964) unforgettable? "
Who sang these songs from the 50s, 60s & 70s

Which decade do you love musically?

Average Score: 9

52% knows the answer to this question: "Who sang the song, "Jailhouse Rock" (1957)? "
Who sang these songs?

Question 5 is impossible

Average Score: 8

95% knows the answer to this question: "Who sang the famous song Yesterday (1965)? "

General Knowledge Quizzes

Brain-Teasing Trivia Questions

We wonder what you will score

Average Score: 5

77% knows the answer to this question: " "
General Knowledge Quiz

And..? Did you know it all?

Average Score: 5

33% knows the answer to this question: " "
Trivia Quiz with a Mix of Questions

No one is able to score higher than a 6

Average Score: 8

30% knows the answer to this question: " "
Tough General Knowledge Quiz

We hope this one isn't a struggle for you

Average Score: 5

83% knows the answer to this question: " "
His score is unbeatable by anyone!

Impossible Knowledge Quiz

Average Score: 8

26% knows the answer to this question: " "
Sudden Death

Only a genius will make it all the way to question 10

Average Score: 7

77% knows the answer to this question: " "

Math Quizzes

Math Quiz

We hope you're smart enough for these questions

Average Score: 8

41% 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

Can You Solve It Without a Calculator?

Average Score: 7

60% knows the answer to this question: "38x39÷38 equals what number? "
Math Quiz

Only those who are good with numbers stand a chance!

Average Score: 10

41% knows the answer to this question: "Which number is most commonly considered unlucky? "
Mathematics Quiz

Nobody is able to score a perfect 10

Average Score: 8

66% knows the answer to this question: "What is double 26? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

79% knows the answer to this question: "What is the total of 25 + 53 + 32? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 8

97% knows the answer to this question: "How many feet long is a 100-yard football field? "