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27 Cards in this Set
- Front
- Back
Physical quantity
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A physical property that can be measured
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Unit
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A defined quanity used as a standard of measurement
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SI Units
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Units of measurement defined by the International System of Units
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Mass
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A measure of the amount of matter in an object
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Weight
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A measure of gravitational force that the earth or other large body exerts on an object
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Scientific notation
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A number expressed as the product of a number between 1 and 10, times the number 10 raised to a power.
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Rounding off
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A procedure used for deleting nonsignificant figures
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Factor-label method
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A problem-solving procedure in which equations are set up so that unwanted units cancel and only the desired units remain
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Conversion factor
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An expression of the numerical relationship between two units
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Energy
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The capacity to do work or supply heat
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Specific heat
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The amount of heat that will raise the temperature of 1 g of a substance by 1*C
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Specific gravity
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The density of a substance divided by the density of water at the same temperature
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mega
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M
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kilo
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k
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hecto
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h
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deka
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da
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deci
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d
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centi
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c
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milli
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m
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micro
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can't make that one, but know it's the only one that's not a normal letter
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nano
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n
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pico
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p
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Quantity:
Mass |
SI UNIT-Kilogram (kg)
Metric Unit-Gram (g) Equivalents-1Kg =1000g =2.205 lb |
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Quantity:
Length |
SI Unit- Meter (m)
Metric unit- Meter (m) Equivalents-1m = 3.280ft |
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Quantity:
Volume |
SI Unit- Cubic meter (m^3)
Metric Unit- Liter (L) Equivaltent- 1 m^3 =1000 L =264.2 gal |
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Quantity:
Temperature |
SI Unit- Kelvin (k)
Metric Unit-Celsius degree (*C) Equivalents- 1K = 1*C 1*C = 1.8*F |
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Quantity:
Time |
SI Unit- Second (s)
Metric Unit- Second (s) |