Chapter One Flashcards
A centimeter is
0.01 m
A meter is not equal to
100 cm
103 mm
0.01 km
10-3 km
103 mm
A person is 6 ft tall. The SI equivalent of this height is
18.3 cm
183 cm
0.183 m
18.3 m
183 cm
Scientific theories
must be constantly reviewed to see whether they are in accord with new experimental observations
represent guesses that have not yet been compared with observational data
are summaries of particular experiments
are laws of nature not subject to revision
must be constantly reviewed to see whether they are in accord with new experimental observations
The British unit of length closest to the meter is the
yard
The expression of desired quantities with established standard units is
measurement
The four fundamental quantities are ______________.
length, mass, time, and electric charge
The shortest of the following is the
statute (land) mile
nautical mile
kilometer
degree of latitude measured on the earth’s surface
kilometer
The shortest of the following units is the
inch
centimeter
meter
kilometer
centimeter
Gravity is not
a fundamental force
responsible for holding the moon in orbit around the earth
responsible for holding atoms and molecules together
active throughout the universe
responsible for holding atoms and molecules together
The system of measurement mostly used all over the world today is the ______________________
International system of Units.
What distinguishes the scientific method from other ways of looking at the natural world is
its reliance on experiment and observation
Which of the following statements is incorrect?
All vector quantities have directions.
All vector quantities have magnitudes.
All scalar quantities have directions.
All scalar quantities have magnitudes.
All scalar quantities have directions.
Which of the following units could be associated with a vector quantity?
m/s2
Equations are used to
All of the above.
The base SI unit for temperature is:
Kelvin.
The correct prefix for the multiplier 0.000001 is:
micro.
The correct multiplier for the prefix micro is:
10-6
The correct multiplier for the prefix milli is:
10-3
The correct prefix for the multiplier 0.1 is:
deci.
The correct prefix for the multiplier 1,000 is:
Kilo
The correct prefix for the multiplier 1,000,000 is:
Mega
What is the base SI unit for length?
meter
What is the base SI unit for mass?
kilogram