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# ScienceVocabulary

### Mr. King - 9/30/12

hypothesis suggested explanation for an observation
independent variable the factor that is manipulated by the experimenter
dependent variable factor that can change if the independent variable is changed
control standard for comparison in an experiment
theory an explanation based on many observations during repeated experiments that is valid only if consistant w/ observations, makes testable predictions, & is simples explanation
S.I. Systeme International d'Unites (standard system of units)
Scientific notation a type of shorthand used by scientists in which a number is expressed as a multiplier and a power of ten
Volume the size of a body or region in 3D space
Density Measure of the amount of mass contained within a set volume. (D=m/v)
Natural Law an explanation of how nature "works" = scientific fact
Length The standard SI unit is meters
Meter SI unit of length
Area measurements having units such as square meters
mass the amount of matter in an object
weight a measure of gravitational force acting on an object
centi- 1/100 of b.u. [.01 x b.u.]
deci- 1/10 of b.u. [.1 x bu]
milli- 1/1000 of bu [.001 x bu]
kilo- 1000 x bu
hecto- 100 x bu
deca- 10 x bu
Tera- 1,000,000,000,000 x bu [1x10*12]
Giga- 1,000,000,000 x bu [1x10*9]
Mega- 1,000,000 x bu [1x10*6]
Micro- .000,000,1 x bu [1x10 *-6}
nano- .000,000,000,1 x bu [1x10*-9]
pico- .000,000,000,000,1 x bu [1x10*-12]
Liter Unit of Volume
Gram Unit of mass
Celsius/Kelvin Units of temperature
Temperature Measured in Celsius & Kelvin (+ fahrenheit)
Created by: amcummings