# Shared Flashcard Set

## Details

First Physics Test
N/A
28
Physics
10/07/2010

Term
 Aristotle
Definition
 300's BC Greece The universe is rational and understandable Set of rules that can be observed Objects on Earth act different than in space
Term
 Copernicus
Definition
 1500's Poland The Earth is not the center of the universe The Sun is Earth is one of several planets orbiting the sun
Term
 Kepler
Definition
 1571-1630 Europe Orbits of planets can be described mathematically Three laws that govern the motion of planets
Term
 Galileo
Definition
 1564-1642 Italy Father of Modern Science experimentation of nature discovered laws of accelerated motion, moons of Jupiter, phases of venus, mountains of moon, sun spots Proved Earth was not the center of all motion
Term
 Newton
Definition
 1642-1727 England Made the three laws of motion clear Laws that apply to earth and heavens universal gravitation
Term
 SI
Definition
 International System
Term
 CGS
Definition
 centimeter-gram-second system
Term
 micro
Definition
 10-6 (symbol = u)
Term
 milli
Definition
 10-3 (symbol=m)
Term
 centi
Definition
 10-2 (symbol=c)
Term
 kilo
Definition
 103 (symbol=k)
Term
 Mega
Definition
 106 (symbol=M)
Term
 Dimension
Definition
 anything about an object or a system that is measurable
Term
 area
Definition
 a subject or range of activity or interest
Term
 volume
Definition
 the amount of space that a substance or object occupies
Term
 density
Definition
 degree of consistency measured by the quantity of mass per unit volume.
Term
 temperature
Definition
 the degree or intensity of heat present in a substance or object
Term
 frequency
Definition
 the rate at which something occurs or is repeated over aparticular period of time
Term
 pressure
Definition
 the continuous physical force exerted on or against an object bysomething in contact with it
Term
 unit
Definition
 an agreed upon unit of a dimension   inch, foot, meter, second, cubic meter, kilogram
Term
 Age of Universe
Definition
 13.7 Billion years old
Term
 Age of Galaxy
Definition
 12.5 Billion years old
Term
 Age of Sun
Definition
 5 Billion years old
Term
 Age of Earth
Definition
 4.6 Billion years old
Term
 Genisus Event
Definition
 The Big Bang
Term
 Fundamental Demension
Definition
 a dimension not composed of other dimensions   mass, length, time
Term
 Derived Dimsension
Definition
 a dimension composed of two or more fundamental dimensions   speed, density, acceleration
Term
 SIGNIFICANT DIGITS
Definition
 All measurements made with any instrument are limited by the limited number of divisions on that instrument. The significant digits in a measurement are those that a person is certain about(those that correspond to divisions on the measuring instrument) plus one estimated digit(estimated to the nearest tenth of the instruments smallest division.)
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