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60 terms

metric system

the units used for scientific measurements

SI units

base units for the metric system

kilogram

base unit for mass

meter

base unit for length

second

base unit for time

kelvin

base unit for temperature

mole

base unit for amount of substance

ampere

base unit for electric current

candela

base unit for luminous intensity

kg

kilogram abb.

m

meter abb.

s

second abb.

K

kelvin abb.

mol

mole abb.

A

ampere abb.

cd

candela abb.

giga

biggest level of units

femto

lowest level units

Giga

G stands for

Mega

M stands for

Kilo

k stands for

deci

d stands for

centi

c stands for

milli

m stands for

micro

fancy u stands for

nano

n stands for

pico

p stands for

femto

f stands for

giga

10 power of 9

mega

10 power of 6

kilo

10 power of 3

deci

10 power of -1

centi

10 power of -2

milli

10 power of -3

micro

10 power of -6

nano

10 power of -9

pico

10 power of -12

femto

10 power of -15

mass

measure of the amount of material in an object

temperature

a measure of the hottness or coldness of an object;

celcius or kelvin

common temperature scales used

celcius

scale used everyday in most countries

volume of a cube

determined by its length cubed

m cubed

si unit for volume

density

a property of matter that is widely used to characterize a substance

density formula

mass divided by volume

grams per cubic centimeters

solids and liquids are measure in

temperature dependent

densities are dependent on this

exact numbers

those whose values are known exactly; defined values

inexact numbers

those whose values have some uncertainty

dimensional analysis

used to convert one quantity to another

derived unit

a unit that is defined by a combination of base units

independent variable

the variable that is changed during an experiment

dependent variable

the variable that is changed due to an experiment

abscissa

x axis

ordinate

y axis

interpolate

read from between data points

extrapolate

reading a graph beyond the limits of the experimentally determined points

graph

circle, bar, line

slope

rise over run