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Science Quiz: Hard!

Question 1 of 10

In 2006, the International Astronomical Union demoted which of the nine planets, making it simply a minor planet in the Kuiper Belt?

Question 2 of 10

The Andean and California are the only species of the largest flying land birds in the Western Hemisphere. What are they?

Question 3 of 10

Today, Australia is overrun with them, but their slime does make you a bit high. What is it?

Question 4 of 10

Billie Holiday was killed by what liver disease, a byproduct of alcoholism, in which healthy liver cells are replaced with connective tissue?

Question 5 of 10

Which medical condition is characterized by "grand mal" and "petit mal"?

Question 6 of 10

The grandfather paradox is held up as one of the risks of what improbable science fiction activity?

Question 7 of 10

Which of these would be an example of jet propulsion?

Question 8 of 10

Based on grain size on the Wentworth-Udden scale, which of these would be smallest?

Question 9 of 10

With which 1948 invention is Leo (Clarence) Fender associated?

Question 10 of 10

Which of these shapes has the fewest sides?

Who Sang Quizzes

Who is the singer of these songs?

Please tell us if you know more than 6 songs

Average Score: 9

48% 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

55% 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

92% 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

95% 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

60% knows the answer to this question: "Who sang the song, "Jailhouse Rock" (1957)? "
Who sang these songs?

Question 5 is impossible

Average Score: 8

58% 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

82% knows the answer to this question: " "
General Knowledge Quiz

And..? Did you know it all?

Average Score: 5

65% 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

34% knows the answer to this question: " "
Tough General Knowledge Quiz

We hope this one isn't a struggle for you

Average Score: 5

71% knows the answer to this question: " "
His score is unbeatable by anyone!

Impossible Knowledge Quiz

Average Score: 8

97% knows the answer to this question: " "
Sudden Death

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

Average Score: 7

90% knows the answer to this question: " "

Math Quizzes

Math Quiz

We hope you're smart enough for these questions

Average Score: 8

62% 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

55% 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

30% 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

64% 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

33% 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

88% knows the answer to this question: "How many feet long is a 100-yard football field? "

Who or what am I?
Extremely Hard Science Quiz Even Einstein would scratch his head!
Do you remember these old cities?