Science Trivia and Answers

Challenge yourself with a Science Trivia Quiz!

Medium

What number comes next: 1, 11, 21, 1211, 111221, ...?

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Answer: 312211
John Conway's "look and say" sequence has no digits other than 1, 2, and 3 in it, unless the seed number contains such a digit or a run of more than three of the same digit. A degenerate sequence appears with the seed of 22.

Medium

What is the medical term for low blood sugar?

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Answer: Hypoglycemia
Hypoglycemia is low blood sugar, which is the body's main source of energy.

Easy

What blood type do you need to be a universal donor?

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Answer: O-
People with O- blood can give blood to anyone. The other blood types can only donate to certain people depending on their blood type. For example, if you are AB+ you can only donate to other AB+ blood types, but you can receive blood from anyone.

Medium

How long is an eon in geology?

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Answer: A billion years
Generally, an eon actually often refers to an indefinite amount of time

Medium

What is the chemical symbol for table salt?

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Answer: NaCl
Sodium chloride (also known as salt or halite), is an ionic compound representing a 1:1 ratio of sodium and chloride ions.

Easy

Which mathematician has an Erdős number of zero (0)?

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Answer: Paul Erdős, of course!
As the Erdős number describes the "collaborative distance" in authorship of mathematical papers between mathematician Paul Erdős and another person it is only natural that Paul Erdős holds this position.



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