Measurements and Mathematics Terms
(mathematics is the deductive study of quantities, magnitudes, and shapes as determined by the use of numbers and symbols while every branch of science and engineering depends on mathematics; measurement is the process of associating numbers with physical quantities and phenomena and measurement is fundamental to the sciences; to engineering, construction, and other technical fields; and to almost all everyday activities)
A denominator, the bottom number in a fraction, which is common to all the fractions within an equation: Mr. Math told his students that they could only add or subtract fractions when they had the same common denominator.
In physics, the ratio of the number of molecules condensing on a surface to the total number of molecules touching that surface: The condensation number is generally utilized in the transfer of heat.
A quality of a measurement or value that never changes in magnitude: Gravitational forces never change and are constant forces on Earth or on other planets
The change from one measurement system to another by use of a common value: Mr. Smart asked his students to do the assignment in their textbooks regarding the conversion of feet to meters.
A unit for measuring the volume of firewood or wood cut for fuel: Mr. Winter ordered a cord of wood which was equal to 128 cubic feet (3.456 cubic meters), or a stack eight feet (2.4 meters) long, four feet (1.2 meters) wide, and four feet high.
An SI unit of electrical charge: One coulomb is the quantity of electricity conveyed by a current of one ampere in one second.
A solid that has six square sides, with each at right angles to each adjacent side: Mrs. Jones wanted to buy a piece of furniture called a cube, with all the sides the same size, to put next to her sofa in her living room.
A metric unit of volume equal to one thousandth of a liter: A cubic centimeter is a unit of capacity, being that of a cube each side of which measures one centimeter and equal to one milliliter.
A cubic centimeter is used to measure liquid medications or for little amounts of fluids.
The earliest known unit of length, which originated between 2800 and 2300 B.C.: A cubit is approximately 50.5 centimeters/20.6 inches long, which is about the length of the human forearm measured from the tip of the middle finger to the elbow.
The basic unit of radioactivity named after Marie Curie: A curie is equal to the radioactivity emitted by a gram of radium, or 37 billion disintegrations per second.
The Three Mile Island nuclear accident released about 50 curies.
Currie was a former unit of radioactivity, equal to 3.7 x 1010 becquerels (radioactive disintegrations).
One gram of radium has a radioactivity of about one curie.
A line that is continuously bent, as in the arc of a circle: A curve can be a simple shape lacking straight parts and angles.
When the couple were driving up the mountain roads there were many curves and no straight sections..
In mathematics, a solid that has two equal-sided circular bases and a third side that joins the bases: Most canned foods are sold in the shape of cylinders made of metal and to be opened at one end.
A polygon (multiple angles) having ten sides. 1ß angles: The students were told to see if they could find a street sign that was a decagon in their town.
The system of notation for real numbers that uses place values and base 10: The decimal system is the number system used throughout most of the world.
The numbers to the right of the decimal point represent a fractional part of a whole number.
A unit of angular measurement: A circle is divided into 360 degrees.
Degrees are indicated by the ° symbol, so 50° means 50 degrees.
People with good eyesight have a field of vision of almost 180 degrees.
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