Terms 1
The ratio of the mass of an object to its volume.
Density
Formula:D= mass/volume
The SI base unit of length.
Meter
A method of expressing numbers as a product of a coefficient and a power of 10.
Scientific Notation
Quantity of heat that raises the temperature of 1 g of pure water by 1 degrees celsius.
Calorie
Measure of how close a series of measurements are to one another.
Precision
closeness of a measurement to the true value.
Accuracy
A ratio of equivalent measurements.
Conversion Factor
The SI unit of energy.
Joule
Non- SI unit of volume
Liter
A value determined in the laboratory.
Experimental Value
the mass of 1 L of water at 4 degrees celsius.
Kilogram
A quantity that has both a number and a unit.
Measurement
The capacity to do work or to produce heat.
Energy
Force that measures the pull of gravity on a given mass.
Weight
Digits in a measurement that are known plus one that is estimated.
Significant Figures
Difference between the experimental value and the accepted value.
Error
Temperature scale on which water freezes at 0 degrees and boils at 100 degrees.
Celsius Scale
Temperature scale on which the freezing point of water is 273.15 and its boiling point 373.15
Kelvin scale
Zero point on the Kelvin scale equal to -273.15 degrees celsius.
Absolute Zero
pico-
kilo-
10^-12 (P)
10^3 (K)
The degree of hotness or coldness of an object.
Temperature
A way to analyze and solve problems, using the units of the measurements.
Dimensional Analysis
Standardized system of measurement based on the metric system
International System of Units
Mass unit commonly used in chemistry.
Gram
micro-
centi-
10^-6 (M)
10^-2 (C)