3.2 The International System of Units
Centi-
(C) 100 times smaller than the unit it precedes: 10^-2
Kilo-
(K) 1000 times larger than the unit it precedes: 10^3
Pico-
(P) 1 trillion times smaller than the unit it precedes: 10^-12
Micro-
(U) 1 million times smaller than the unit it precedes: 10^-6
What is the volume of a board that measures 1.8 cm by 8.8 cm by 30.5 cm
1.8 cm * 8.8 cm * 30.5 cm = 4.8 * 10^2 cm ^3
Zero point on the Kelvin scale equal to -273.15 degrees Celsuis
Absolute value
The SI unit of volume is derived from the unit of length
Always True
Hydrogen boils at 20K. What is the boiling point of hydrogen on the Celsuis scale?
C= K - 273 = 20 - 273 - 253 degrees Celsuis
Quality of heat that raises the temperature of 1 g of pure water by 1 degree Celsuis
Calorie
Scientist commonly use two equivalent units of temperature, the degree ___ and the ___
Celsius, Kelvin
Freezing scale that sets the freezing point of water at 0 degrees and its boiling point at 100 degrees
Celsuis scale
The capacity to do work or to produce heat
Energy
Mass unit commonly used in chemistry
Gram
The mass of one cubic centimeter of water at 4 degrees Celsius is one
Gram
Standardized system of measurement based on the metric system
International System of Units (SI)
The SI unit of energy
Joule
The ___ and the ___ are common units of energy
Joule, Calorie
Temperature scale on which the freezing point of water is 273.15 degrees and its boiling point is 373.15 degrees
Kelvin scale
SI base unit of mass
Kilogram
Non-SI unit of volume
Liter
The space taken up by a cube that is 10 cm on each edge is one.
Liter
In SI, the base unit of length is the ___.
Meter
The SI unit of length
Meter
The International System of Units (SI) is a revision of the ___ system.
Metric
A recite am is 100 times smaller than a gram
Never True
The SI base unit of mass is the milliliter
Never True
There are six basic SI units of measurements
Never True
There are ___ SI base units.
Seven
Measure of how hot or cold an object is
Temperature
A measure of the pull of gravity of an object of given mass is its
Weight
Force that measures the pull of gravity on a given mass
Weight
