physics chapter 2 vocabulary & conversions
*C
(5/9)(F-32)
1 ft (to m)
.3048 m
2.54 cm
1 inch
1.6 km (to mi)
1 mi
1 km (to m)
1,000 m
100 cm (to mm)
1,000 mm
1 cm (to mm)
10 mm
1 m (to cm)
100 cm
microns (to m)
10^-6 m
nanometer (to m)
10^-9 m
1 kg (to lbs)
2.2 lbs
1 m (to english units)
39.37 in
the word in physics that means how close a measurement is to the true value is
accuracy
in one inch there are 2.54 metric units of length known as
centimeters
a substance that contains two or more different elements bonded together is a
compound
a ratio used to change units from one measuring system to another is called a(n) ____ ____
conversion factor
the amount of space between two points is called
distance
the system of measurement using length units of inches, feet, and miles is the ____ system
english
in the number 1.3x10^4, the number 4 is called an
exponent
the phase of matter that can expand or contract to fill its container is known as a
gas
the mass of one grain of rice is close to the metric unit of a
gram
an english unit of length approximately the same as the width of your thumb is a(n)
inch
the tendency of an object to resist a change in motion is called
inertia
the mass of a 1 liter volume of water is 1 ____
kilogram
the metric unit of length that is used to measure larger distances such as one distance to another is the
kilometer
the inch, foot, centimeter, and meter are all units of
length
water normally occurs in the ____ phase of matter at temperatures between 0*C and 100*C
liquid
the measure of the amount of matter in an object is the ____ of the object
mass
a length of 1,000 millimeters is equivalent to one
meter
le systeme international d'unites, or SI, is the official name for the ____ system of measurement
metric
the width of a pencil point is most nearly equivalent to the metric unit of a
millimeter
the most common form of matter, made by molecules combined in no definite ratio, is known as
mixtures
a group of two or more atoms that are joined together in a definite ratio is called
molecule
the phase of matter that occurs at high temperatures and causes ionized electrons to break loose from atoms is called
plasma
the smallest unit of measurement a ruler can measure determines the ____ of the ruler
precision
a number between 1 and 9 multiplied by some power of ten is said to be expressed using ____ ____
scientific notation
the phase of matter that maintains a nearly constant shape and volume is
solid
the total outside area of a solid is referred to as the object's
surface area
a quantity of time is called a ____ ____
time interval
the space occupied by a certain number of unit cubes is known as an object's
volume
the measurement of the force of gravity on an object is called
weight