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20 Cards in this Set
- Front
- Back
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A series of steps followed to solve problems including collecting data, form hypothesis...
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scientific method
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a set of particles or interacting components considered to be a distinct physical entity for the purpose of study
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system
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an explanation that is based on prior scientific research or observations that can be tested
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hypothesis
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a pattern, plan, representation, or description designed to show the structure or working of an object, system concept
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model
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an explanation for some phenomenon that is based on observation, experimentation, and reasoning
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theory
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something that has magnitude, size or amount
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quantity
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le system international unites which is measurement system that is accepted worldwide
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SI
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a measure of the gravitational force exerted on an object; its value can change with the location of object in universe
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weight
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a unit of measure that is a combination of other measurements
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derived unit
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a measure of the size of a body or region in three dimensional space
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volume
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the ratio of the mass of a substance of ten expressed as grams per cubic cm for solids and liquids...
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density
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a ratio that is derived from the equality of two different units and that can be used to convert from one unit to other
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conversion factor
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a mathematical technique for studying dimensions of physical quantities
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dimensional analysis
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a description of how close a measurement is to the true value of the quantity measurement
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accuracy
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the exactness of a measurement
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precision
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a figure that is calculated by subtracting the accepted value from the experiment value
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percentage error
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a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement
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significant figures
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a method of expressing a quantity as a number multiplied by 10 to the appropriate power
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scientific notation
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the relationship between 2 variables whose ratio if a constant value
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directly proportional
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the relationship between two variables whose product is constant
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inversely proportional
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