Exploring The World Of Mathmatics Flashcards

(38 cards)

0
Q

He built the first clock that measured hours, minutes, and seconds

A

Christian Huygens

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1
Q

They invented the hour

A

Egyptians

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2
Q

He discovered the period of a pendulum was determined by its length

A

Galileo

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3
Q

It measures 6 ft

A

Fathom

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4
Q

Seasons are caused by the

A

Tilt of the earth’s axis

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5
Q

Ships and aircraft measure speed in

A

Knots

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6
Q

A system of weights

A

Avoirdupois

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7
Q

Most accurate clock in the world

A

Cesium

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8
Q

The time for the moon to make 1 revolution around the earth

A

29.5 days

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9
Q

1 long ton is how many pounds

A

2,240 lbs

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10
Q

Thought a sermon should not last longer than 30 minutes

A

Queen Victoria

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11
Q

The weight of 1 pint of waster

A

1 pound

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12
Q

A calendar based upon the phases of the moon

A

Lunar

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13
Q

Prime meridian of the world, the line of zero longitude

A

Royal observatory at Greenwich England

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14
Q

The brightest star in the night sky

A

Sirius

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15
Q

Ante meridian and post meridian

16
Q

1st standard unit of measure for weight

17
Q

A pendulum exactly 39.14 inches long takes how long to swing from one side to another

18
Q

Responsible for today’s calendar

A

Pope Gregory XIII

19
Q

A device for keeping time

20
Q

-273 K, -459 F

A

Absolute zero

21
Q

To measure the earth

22
Q

Circle, ellipse, parabola, and hyperbola are all parts of _____

A

Conic sections

23
Q

Unit of temperature

24
Wrote Elements of Geometry
Euclid
25
MMXII
2012 ``` M= 1000 X= 10 I= 1 ```
26
The first country to step up its money based on 10
United States
27
Ranked as the greatest mathematician of the ancient world
Archimedes
28
Developed 3 laws of motion
Isaac Newton
29
39.37 inches equals ______
1meter
30
The Parthenon, the Ark of the Covenant and Noah's ark all obey the ______
Golden ratio
31
Convinced Europeans to use Arabic numerals
Leonardo Fibonacci
32
Prefix for one-hundredth
Centi
33
"Gift of the Nile"
Egypt
34
1 square mile
640 acres
35
Two foci on top of one another
Circle
36
Prefix for 1/1000
Milli
37
Unit of mass
Kilogram