Science General Knowledge #1 - Statistics

General Stats

Answer Stats

Question	Answer	% Correct
What is the name of a listing of all the chemical elements?	{Periodic} table	99%
What is the chemical formula for water?	H2O	98%
What is the hardest substance found on Earth?	Diamond	95%
What device did Galileo famously improve?	Telescope	90%
What type of mineral has replaced lead in pencils?	Graphite	85%
The nucleus of an atom contains protons and what other particle?	Neutrons	83%
What is the only metal that is liquid at room temperature?	Mercury	78%
What is the unit for measuring the amplitude of sound?	Decibel	62%
What does a chronometer measure?	Time	60%
In percent, what is the average salinity of sea water?	3.5%	58%
A descending barometer is an indication of what type of precipitation?	Rain	57%
What everyday device are quartz crystals most commonly used in?	Watches	53%
What astronomer first postulated that the Sun was the center of the universe?	Copernicus	44%
How many feet are in a fathom?	6	42%
What element is added to cooking gas to give it a noticable odor?	Sulphur	39%
Magnesium is the central ingredient in what important plant substance?	Chlorophyll	28%
What name is given to the group of metals that includes Iron, Cobalt and Nickel?	{Transition} metals	27%
What gas usually fills light bulbs?	Nitrogen	26%
Which uranium isotope is capable of sustaining a chain reaction?	U-235	22%
What type of star is smaller than a Red Giant but larger than a Yellow Dwarf?	Blue Dwarf	7%

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