Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/30

Click to flip

30 Cards in this Set

  • Front
  • Back
quantity
something that has magnitude, size, or amount
SI
scientists all over the world have agreed on a single measurement system called...
SI unit Length
unit name meters (m)
SI unit Mass
kilogram (kg)
SI untit time
second (s)
SI untit temp.
kelvin (K)
SI unit amnt. of substance
mole (mol)
weight
measure of the gravitational pull on matter. NOT THE SAME AS MASS!
tera(T)
10^12
giga(G)
10^9
mega(M)
10^6
kilo(k)
10^3
hecto(h)
10^2
deka(da)
10^1
deci(d)
10^-1
centi(c)
10^-2
milli(m)
10^-3
micro(fancy m)
10^-6
nano(n)
10^-9
derived units
combinations of SI units, multiplied or divided by standard units
volume(m^3)
Amnt. of space occupied by an object
Density=
Mass/Volume
Conversion factor
ratio derived from the equality between two different units that can be used to convert one unit to the other.
Accuracy
refers to the closeness of measurements to the correct or accepted value of the quantity measured
Percision
close to one another but not necessarily close to the accepted value
percent error=
((value accepted-value experimental)/(value accepted))x100
Significant figures
in a measurement consist of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated
Scientific Notation
numbers are written in the form Mx10^n, where the factor M is a number greater than or equal to 1 but less than 10 and n is a whole number
Directly proportional
if dividing one by the other gives a constant value. y/x=k
Inversely proportional
their product is constant xy=k