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 Sang These Songs?

Nobody knows more than 4 songs

Average Score: 7

92% knows the answer to this question: "Who sang the famous song "Rock With You" (1979)? "
Who sang?

Let's find out how much you know about music!

Average Score: 8

90% knows the answer to this question: "Which rock & roll legend rocked audiences with "Jailhouse Rock" (1957)? "
Can you unlock these mysteries?

Who Sang These Songs?

Average Score: 8

96% knows the answer to this question: "Which soul legend brought us “A Change Is Gonna Come” (1964)? "
Who sang the famous song "San Francisco" (1967) ?

Pop Music Quiz

Average Score: 8

55% knows the answer to this question: "Who sang the famous song "All Along The Watchtower" (1968) ? "
Music Quiz For Music Geniuses

Who Sang These Songs?

Average Score: 8

28% knows the answer to this question: "Who sang “Africa” in 1982? "
Who Sang These Famous Lines?

Nobody knows more than 7 songs

Average Score: 7

67% knows the answer to this question: "From which song comes the famous line "I see the girls walk by dressed in their summer clothes" "

General Knowledge Quizzes

Mixed Trivia Quiz

Let us know your score below

Average Score: 5

45% knows the answer to this question: " "
Difficult Knowledge Quiz

You will also fail at question 9

Average Score: 9

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

Sudden Death Edition

Average Score: 0

44% knows the answer to this question: " "
'Quiz on General Knowledge'

We bet you won't score higher than a 4

Average Score: 6

33% knows the answer to this question: " "
15 Sudden Death Questions

How far did you get?

Average Score: 0

85% knows the answer to this question: " "
10 Challenging Questions

Who is smart enough to score higher?

Average Score: 6

44% knows the answer to this question: " "

Math Quizzes

Math Quiz

We hope you're smart enough for these questions

Average Score: 8

56% knows the answer to this question: "If you eat 23 sweets from a tub that contains 687 how many sweets do you have left? "
Mathematics Quiz

Are you a real mastermind in mathematics?

Average Score: 7

64% 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

75% knows the answer to this question: "How many feet long is a 100-yard football field? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

96% knows the answer to this question: "38x39÷38 equals what number? "
Math Quiz

Only those who are good with numbers stand a change!

Average Score: 18

36% knows the answer to this question: "What number comes next in the sequence 8, 16, 32, 64? "
Math quiz for intelligent people

Average Score: 8

81% knows the answer to this question: "What is 15 + 27? "