Metric Prefixes
1,000 times the basic unit
kilo-
unit for length
meter
Anything that has mass and volume
matter
Tells how close a measurement is to its true value
Accuracy
Volume of a rectangular solid
V = lwh
1/100 of the basic unit
centi-
unit of time
second
measurements or numerical data
quantitative data
Has to do with the degree of agreement between replicated measurements of the same quantity
Precision
volume of a cube
V = s3
100 times the basic unit
hecto-
unit of mass
kilogram
data that involves descriptions of events
qualitative data
What states that in all chemical and physical changes, matter is neither created nor destroyed
Law of mass conservation
Formula for density
D = m/v
D = mass / volume
1/1000 of the basic unit
milli-
unit of electrical current
ampere (amp)
The force of attraction that a very large object , such as a planet, has on the matter in the object is described as an object's ____
Weight
A way to convert between units
Unit analysis
Finding the volume of irregularly shaped solids mean you have to use the ___ ___ ____.
water displacement method
10 times the basic unit
deka-
unit of temperature
Kelvin
The curve of the surface of a liquid when measured in a cylinder
meniscus
In any measurement, all the digits that are known to be certain are used, plus one that is estimated.
Significant digits
Volume of a sphere
V = (4 x pi x r3) / 3