Science Quiz / Over/Under: Science

Random Science or General Knowledge Quiz

Can you name the correct answers to these over/under questions (please read game note)?

 Plays Quiz Updated Jan 13, 2015

How to PlayForced OrderWrong Answers
Score 0/24 Timer 03:00
Question and NumberActual is Over or UnderActual Number
Speed of sound (in 20° C dry air): 2,000 km/h
Transition metals: 22
Celsius boiling point of water: 212°
Age of oldest confirmed human ever: 114
Bones in the adult human skeleton: 148
Known chemical elements: 103
% volume of air that is oxygen: 36.7%
Mean radius of the Earth: 2,822 miles
% of Earth's surface that is water: 78%
Permanent human teeth: 24
Prime numbers lower than 20: 9
Simple machines: 8
Question and NumberActual is Over or UnderActual Number
Human chromosome pairs: 46
Basic Trigonometric functions: 9
Min. wind speed for EF5 tornado: 195 MPH
Atomic number of Hydrogen: 7
Ounces in a pound (US): 24
# of the final Apollo mission: 13
Natural (proteinogenic) amino acids: 35
Pints in a gallon (US): 6
Stars in the Big Dipper: 11
U.S. Patents held by Thomas Edison: 506
Avg. distance from Earth to Moon: 114,000 mi.
Time, in months, of elephant gestation: 18

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