Challenging science quiz. Can you beat it?

Question 1 of 10

In AD 919, the Chinese used this to make "fire lances." A German monk, Berthold Schwarz, may have been the first to bring this to Europe, in the early 1300s. What is it?

Question 2 of 10

This planet's famous rings are made of ice-covered rock and dust, less than 200 km thick, but more than 270,000 km wide. And its inner moons are close enough to the rings to twist, braid and sweep them with their gravity. What planet is this?

Question 3 of 10

What citrus juice interferes with dozens of medications, because they are broken down by enzymes in the juice?

Question 4 of 10

Sixty million years ago, a snake called Titanoboa cerrejonesis ate crocodiles whole. At 45 feet long, it was as long as what object?

Question 5 of 10

The president of a postcard company happened to notice William Gruber at the Oregon Caves National Monument, where he was testing his new invention by taping two cameras together as a way to recreate the stereoscope. What did this become?

Question 6 of 10

Movies are letterboxed because old style TV screens are what?

Question 7 of 10

What animal's pit can detect a change in temperature of as little as one five-hundredth of a degree, which makes it a kind of ophidian infrared?

Question 8 of 10

The 1987 Lincoln Town Car is often called the first car to have what audio component?

Question 9 of 10

What device used thermal paper, which curled, blackened when you scratched it, had text that vanished over time and had poor resolution as ink spread into the paper?

Question 10 of 10

What is the most abundant element in the known universe?

Who Sang Quizzes

Who is the singer of these songs?

Please tell us if you know more than 6 songs

Average Score: 9

40% 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

38% 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

78% 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

73% 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

54% knows the answer to this question: "Who sang the song, "Jailhouse Rock" (1957)? "
Who sang these songs?

Question 5 is impossible

Average Score: 8

30% 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

27% knows the answer to this question: " "
General Knowledge Quiz

And..? Did you know it all?

Average Score: 5

39% 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

93% knows the answer to this question: " "
His score is unbeatable by anyone!

Impossible Knowledge Quiz

Average Score: 8

54% knows the answer to this question: " "
Sudden Death

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

Average Score: 7

83% knows the answer to this question: " "

Math Quizzes

Math Quiz

We hope you're smart enough for these questions

Average Score: 8

35% 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

40% 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

50% 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

27% 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

87% 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

96% knows the answer to this question: "How many feet long is a 100-yard football field? "