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25 terms

Volume, Capacity, Mass, & Weight

Unit C
STUDY
PLAY
face
the flat surface of a three-dimensional figure
edge
the line segment where two faces of a three-dimensional figure meet
length
the measure of a line segment, or one side or edge of a figure
volume
the measure of the amount of space occupied by an object
cubic unit
a unit for measuring volume such as a cubic inch or cubic centimeter. It is the volume of a cube with 1-unit edges
rectangular prism
a prism with congruent rectangular bases
area
the amount of surface covered or enclosed by a figure measured in square units
one-dimensional
having only length as a measure. A line segment is this.
two-dimensional
having length measurements in two directions, perpendicular to each other (length, width)
three-dimensional
having length measurements in three directions, perpendicular to one another (length, width, height)
capacity
a measure of how much a container can hold, also used to describe the volume of fluids such as water or sand
liter
the basic unit of capacity in the metric system
milliliter
a metric unit of capacity equal to 0.001 liter
kiloliter
a unit of capacity equal to 1,000 liters
mass
the amount of matter in an object. It is constant; weight varies because it is subject to the effect of gravity on matter.
kilogram
a unit of mass equal to 1,000 grams
gram
the basic unit of mass in the metric system. A nickel weighs about 5 of these.
milligram
a metric unit of mass equal to 0.001 gram.
ounce
a unit of weight or capacity in the U.S. customary system equal to 1/16 of a pound or 1/8 of a cup
pound
a U.S. customary unit for measuring mass. One is equal to sixteen ounces.
ton
a customary unit for measuring mass. One is equal to 2,000 pounds.
gallon
a U.S. customary unit for measuring capacity. One of these is equal to 4 quarts.
quart
a U.S. customary unit for measuring capacity. One is equal to 32 ounces, 4 cups, 2 pints.
pint
a U.S. customary unit for measuring capacity. One is equal to two cups or half a quart.
cup
a customary unit for measuring capacity. There are 2 of these in a pint.