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Science Quiz featuring tough 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?

Which decade do you prefer?

Average Score: 9

96% knows the answer to this question: "Who sang the song, "Georgia on My Mind" (1960)? "
Can you name one of these Legendary Voices?

Which one is your favorite?

Average Score: 8

72% knows the answer to this question: "Which trumpeter serenaded us with “What a Wonderful World” (1967)? "
Who Sang These Songs?

We bet you don't know who it was!

Average Score: 7

33% knows the answer to this question: "Who sang the song "Everybody (Backstreet's Back)"? "
Can you name the artists of these songs?

Only true music lovers can!

Average Score: 8

81% knows the answer to this question: "Who unleashed "Good Vibrations" (1966)? "
Can name all the artists we are looking for?

We doubt it! Share if you did!

Average Score: 9

63% knows the answer to this question: "Who sang the song, "I Can’t Get No (Satisfaction)" (1965)? "
Who Sang These Songs?

10 hard questions

Average Score: 7

70% knows the answer to this question: "Who sang the famous song "Red River Rock" (1959)? "

General Knowledge Quizzes

Only the very smart will make a chance to score a flawless 10

General Knowledge Quiz

Average Score: 9

69% knows the answer to this question: " "
General Knowledge Quiz

Are you up for the challenge?

Average Score: 4

58% knows the answer to this question: " "
How many triangles do you count?

Play Mixed Trivia to see the answer

Average Score: 6

50% knows the answer to this question: " "
Take This Knowledge Quiz

Let's test your knowledge!

Average Score: 6

99% knows the answer to this question: " "
Put Your Knowledge to the Test

This quiz is too hard for most of us

Average Score: 6

63% knows the answer to this question: " "
10 Impossible Trivia Questions

Let us know below what you did

Average Score: 5

46% knows the answer to this question: " "

Math Quizzes

Math IQ Test

Do you know the answer?

Average Score: 8

33% knows the answer to this question: "If it snows 1 inch per hour for 2 days, how many inches of snow is that? "
Math Quiz

Can You Solve It Without a Calculator?

Average Score: 7

29% knows the answer to this question: "38x39÷38 equals what number? "
Math Quiz

We challenge you to score an 8+

Average Score: 9

94% knows the answer to this question: "What is twenty times twenty? "
Math Quiz

Absolutely no one scores higher than a 5

Average Score: 8

96% knows the answer to this question: "What is an estimate? "
Mathematics Quiz

Nobody is able to score a perfect 10

Average Score: 9

73% knows the answer to this question: "How many in a pair? "
Can you solve this?

go to Math Quiz

Average Score: 9

95% knows the answer to this question: "If a five day vacations costs 2500 dollars, how much does each day cost? "