Term
| Meteric System: what are the units it uses, and the alternate name? |
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Definition
| Meter-kiligram-second system, International System |
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Term
| Name the system of unites, from the most common system to least common system. |
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Definition
| Mertric (International), Centimeter-gram-second, and English. |
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Term
| English System: what are the units it uses? (3) |
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Definition
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Term
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Definition
| Each system has several fundamental units, those are called base units. All other units of measurement are derived from the base units. |
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Term
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Definition
| SI stands for Systeme International in French. It is the Internation Systems abbreviation. |
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Term
| When was the SI created, and who defines it now? |
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Definition
| The SI system was created in the 1800's, and is now defined by the Genral Conference on Weights and Measures. |
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Term
| What are the units of measure in the SI system? |
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Definition
| Meter, Kilogram, Second, Kelvin, Ampere, Candela, and Mole. |
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Term
| What does the meter measure? |
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Definition
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Term
| What does the Kilogram measure? |
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Definition
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Term
| What does the second measure? |
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Definition
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Term
| What does the Kelvin measure? |
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Definition
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Term
| What does the Ampere measure? |
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Definition
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Term
| What does the Candela measure? |
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Definition
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Term
| What does the Mole measure? |
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Definition
| Amount of Matter in terms of atoms. |
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Term
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Definition
| Centimeter-gram-second System. |
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Term
| What are the base units of the CGS? |
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Definition
| Centimeter, Gram, Second, Celsius, Ampere, Candela, Mole. |
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Term
| If it is 0 degrees Celcius, what is the tempurature in Kelvin, rounded to the nearest degree? |
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Definition
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Term
| What are the four base units used in the three basic unit systems? |
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Definition
| Second, Ampere, Candela, and Mole. |
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Term
| What was the origianal meter defined by, and where is this object kept? |
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Definition
| The meter was designated as the distance between two scratches on a platinum bar on display in Paris, France. |
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Term
| What was the original IDEA of the meter? |
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Definition
| There should be a million meters stretching from the north pole and the equator and passed through Paris. |
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Term
| What is the approximate number of meters it takes to go around the world? |
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Definition
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Term
| What is the meter defined as in terms of light traveling through a perfect vacuum. |
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Definition
| It takes light (3.33562095)(10^-7) seconds to travel a meter through a perfect vacuum. |
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Term
| What is the symbol for meter? |
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Definition
| The lowercase nonitalicized English letter m. |
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Term
| What is the abbrivation for the kilogram? |
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Definition
| The lowercase nonitalicized pair of Engish letters kg. |
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Term
| What was the kilogram originally defined as? |
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Definition
| The mass of .001 cubic meter of pure liquid water. |
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Term
| What is the new measurement for a kilogram? Where is it kept? |
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Definition
| The mass of a sample of plantinum-iridium alloy. It is kept under lock and key at the International Bureau of Weights and Measures. |
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Term
| What is the difference between mass and weight? |
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Definition
| No matter where something is, it will always have the same mass, but the weight will very depending on the gravitational pull. |
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Term
| What is the definition of weight? |
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Definition
| The force exerted by gravitation or acceleration on a given mass. |
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Term
| In space, what is the mass of anything? |
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Definition
| Zero. In space, everything is weightless. |
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Term
| What is the symbol for second? |
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Definition
| The symbol for the lowercase nonitalicized English letter s. |
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Term
| What fraction of a day is a second? |
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Definition
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Term
| What is the modern day definition of a second? |
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Definition
| The time it takes for one cesium atom to oscillate through (9.192631770)(10^9) complete cycles. |
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Term
| What is a way of measuring a second in terms of light? |
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Definition
| A second is how long it takes a ray of light to travel (2.99792458)(10^8) meters. |
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Term
| Approximately how many seconds would it take light to reach the moon? |
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Definition
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Term
| What is the symbol for Kelvin? |
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Definition
| The uppercase and nonitalicized letter K. |
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Term
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Definition
| The Kelvin measures how much heat exists realtive to absolute zero. |
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Term
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Definition
| It represents the absence of all heat. |
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Term
| What tempeture does pure what freeze at sea level? Boils? (in Kelvin) |
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Definition
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Term
| In terms of water, what is a triple point? |
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Definition
| The point at which it can exist as water, steam, and ice. |
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Term
| What is the symbol for an Ampere? What is the abbrivation for the Ampere? |
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Definition
| Teh uppercase nonitalicized English letter A. Abbreviated as amp. |
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Term
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Definition
| 1 A is equivalent to the flow of (6.241506)(10^18) electrons per second past a given fized point in an electrical conductor. |
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Term
| What is the formal definition of the A? (IT'S REDICULUS!) |
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Definition
| 1 A is the amount of constant charge-carrier flow through two straight, parallel, infinitely thin, perfectly conducting media placed 1 m apart in a vacuum that results in a force between teh conductors of 2(10^-7) newtons per linear meter. |
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Term
| What are the two problems with the definiton of an A? |
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Definition
| 1.) A newton is not defined yet, and 2.) The definition gives an impossible situation to create in the real world. |
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Term
| What is said about Mathematicans and Physicists? |
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Definition
| They can't live with each toher and they can't live without each other. Just like men and women. |
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Term
| What is the symbol for the Candela? |
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Definition
| The nonitalicized pair of English letters cd. |
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Term
| What is a cd equivalent to? |
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Definition
| It is equivalen to 1/683 of a watt of radiant energy emitted at a frequency of 5.4 (10^14) Hertz in a solid angle of one steradian. |
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Term
| waht is 1 cd approximately equivalent to? |
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Definition
| The light emitted by a candle. |
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Term
| What is a more exact defition than the candle, for a cd? |
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Definition
| 1 cd represents the radiation from a surface area of 1.667(10^-6) square meter of a perfectly radiating object called a blackbody at the solidification temperature of pure platinum. |
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Term
| What is the symbol for a mole? |
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Definition
| The lowercase nonitalicized English letters mol. |
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Term
| What is another name for the mole? |
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Definition
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Term
| What is the mole approximately equal to? |
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Definition
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Term
| What is significant about 6.022169(10^23), in terms of matter equivalence? |
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Definition
| It is the number of atoms in precisely .012kg of carbon-12, the most common isotope of elemental carbon. |
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Term
| In most cases, the italicized letter represents _____, _____, or a _____. When a letter is nonitalicized in almost alway represents a _____ _____. |
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Definition
| Constant Variable Coefficient Phycial Unit |
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Term
| What is the radian a standard unit of? |
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Definition
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