Home Quizzes Privacy Policy Contact

Subscribe to our youtube channel for more tests.

Sudden Death Quiz: Hard!

Question 1 of 15

What is unusual about the eyes of both the seahorse and the lizard?

Question 2 of 15

Remember vinyl records? What was the name of the needle that rode the groove?

Question 3 of 15

Who built enormous aqueducts to carry water to public baths and to a sewer system called the Cloaca Maximus?

Question 4 of 15

What does B stand for in BMD?

Question 5 of 15

In 1875, John Deere built a sulky, which was what type of device, which you could ride?

Question 6 of 15

Superconductors offer no what to the flow of electricity?

Question 7 of 15

The crocotta was a wolf from Ethiopia and India, which lured humans by calling their names. It was likely inspired by what beast, whose scientific name is Crocuta crocuta?

Question 8 of 15

About 100 lightning bolts strike the earth how often?

Question 9 of 15

What are the tiny air sacs in the lungs called?

Question 10 of 15

Fax machines, photocopiers and bar-code readers all use charge-coupled devices. Why?

Question 11 of 15

What famous volcano erupted in 1980 after many years of dormancy?

Question 12 of 15

What word describes an angle between 90 and 180 degrees?

Question 13 of 15

What happens to water when it freezes?

Question 14 of 15

Which of these is not one of the three classifications of rock?

Question 15 of 15

Named for Friedrich Mohs and determined with a sclerometer, what does the Mohs scale measure?

We selected 3 interesting quizzes for you

Extremely Hard History Quiz, most people score only 3 out of 10.
Everybody likes music, but how much do you know about it?
Extremely Hard History Quiz, most people score only 3 out of 10.