Exploring The World Of Mathmatics Flashcards
He built the first clock that measured hours, minutes, and seconds
Christian Huygens
They invented the hour
Egyptians
He discovered the period of a pendulum was determined by its length
Galileo
It measures 6 ft
Fathom
Seasons are caused by the
Tilt of the earth’s axis
Ships and aircraft measure speed in
Knots
A system of weights
Avoirdupois
Most accurate clock in the world
Cesium
The time for the moon to make 1 revolution around the earth
29.5 days
1 long ton is how many pounds
2,240 lbs
Thought a sermon should not last longer than 30 minutes
Queen Victoria
The weight of 1 pint of waster
1 pound
A calendar based upon the phases of the moon
Lunar
Prime meridian of the world, the line of zero longitude
Royal observatory at Greenwich England
The brightest star in the night sky
Sirius
Ante meridian and post meridian
AM and PM
1st standard unit of measure for weight
Troy ounce
A pendulum exactly 39.14 inches long takes how long to swing from one side to another
1 second
Responsible for today’s calendar
Pope Gregory XIII
A device for keeping time
Hourglass
-273 K, -459 F
Absolute zero
To measure the earth
Geometry
Circle, ellipse, parabola, and hyperbola are all parts of _____
Conic sections
Unit of temperature
Kelvin
Wrote Elements of Geometry
Euclid
MMXII
2012
M= 1000 X= 10 I= 1
The first country to step up its money based on 10
United States
Ranked as the greatest mathematician of the ancient world
Archimedes
Developed 3 laws of motion
Isaac Newton
39.37 inches equals ______
1meter
The Parthenon, the Ark of the Covenant and Noah’s ark all obey the ______
Golden ratio
Convinced Europeans to use Arabic numerals
Leonardo Fibonacci
Prefix for one-hundredth
Centi
“Gift of the Nile”
Egypt
1 square mile
640 acres
Two foci on top of one another
Circle
Prefix for 1/1000
Milli
Unit of mass
Kilogram
