MEASUREMENTS Flashcards

1
Q

____ are subject to uncertainty and can be influenced by errors.

A

Measurements

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2
Q

______ refers to how close a measured value is to the standard value.

A

Accuracy

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3
Q

____ refers to how close the series of measured values are to each other

A

Precision

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4
Q

Measurements which are both precise and accurate are the most ____

A

valid

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5
Q

_______ is a way of expressing extremely large or small numbers easily and efficiently.

A

Scientific notation

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6
Q

The ____ System uses the units kilogram for mass, meter for distance, and second for time.

A

Metric

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7
Q

The ___ system employs units such as foot for distance, pound for weight, and second for time, respectively

A

English

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8
Q

The units in the ___ system are defined in relation to the standard meter

A

English

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9
Q

_____ is the actual amount of matter that a substance contains

A

Mass

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10
Q

____ is a measure of the gravitational attraction exerted by the center of gravity upon a body.

A

Weight

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11
Q

____ is the distance between two points. This quantity is non-directional. This includes width, depth, or height.

A

Length

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12
Q

_____ is the interval between two events, and employs units quite familiar to us: days, hours, minutes, and seconds.

A

Time

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13
Q

___ is not a fundamental unit, but is derived from length.

A

Volume

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14
Q

It is the property of matter that determines the direction of heat transfer

A

temperature

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15
Q

The pressure exerted by the air in the atmosphere as a result of its mass and gravitational attraction is called atmospheric pressure, and is expressed in units of $_______

A

force per unit area.

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16
Q

Density is defined as _____

A

mass per unit volume.

17
Q

____ is the density of a substance compared to the density of water at a given temperature.

A

Specific gravity