Hard Science Quiz

Hard Science Quiz

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0 / 10 answered

Question 1 of 10

What causes tides?

Question 2 of 10

What plant gets its name from the Latin words for "beautiful lady," since the Romans used to use it to dilate their pupils?

Question 3 of 10

What red-flecked chalcedony is also called a heliotrope in England, because of the reddish reflections given off by water inside of it??

Question 4 of 10

What is the main place that the salts in ocean water come from?

Question 5 of 10

Strictly speaking, what is a locust?

Question 6 of 10

If you're sending something in a Manila envelop, you're using a paper originally made of abaca hemp and named for a city in what country?

Question 7 of 10

Which of these is a unit of luminance on a surface?

Question 8 of 10

KNO3 isn't used school and military dorms to suppress sexual appetite, but it is used as a fertilizer, to make glass and even as a diuretic. What is it?

Question 9 of 10

When Steady Ed Headrick died, his ashes were incorporated into a device that he had invented for Wham-O. What was it?

Question 10 of 10

Two science milestones get their name from the same Beatles song. One is an Australopithecus afarensis skeleton. The other is a white dwarf in Centaurus, which happens to be a 10 billion trillion trillion carat diamond star. What name is this?