Science / Over/Under: Science

Random Science or Numbers Quiz

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

Quiz Updated Jan 13, 2015

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

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