Unit 1- Measurement Flashcards

1
Q

Precision

A

How close several measurements are to each other/ how close to another measurement

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2
Q

Accuracy

A

How close a single measurement comes to the ACTUAL VALUE of whatever digit is being measured

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3
Q

% error

A

A % that shows how much the measured value differs from the accepted value

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4
Q

Sig Figs

A

All the digits that can be known in a measurement plus one estimated,
Indicates how precise a measurement is and its confidence

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5
Q

Meter

A

The SI unit of length

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6
Q

Dimensional analysis

A

A way to analyze and solve problems using the units of a measurement

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7
Q

Any non-zero is always ___

A

Significant

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8
Q

When measurements are being added or subtracted the answer can be recorded to what

A

The least precise place of the recorded measurements

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9
Q

Metric line order…

A

Giga x x mega x x kilo hecto deca BASE deci centi milli x x micro x x nano x x pico

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10
Q

Equation: percent error

A

% error= (actual value-measured) divided by actual value x100

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11
Q

Equation to solve for Kevin

A

K= C+ 273
0 freeze, 100 boil
273 is Kelvins lowest

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12
Q

0K =

A

Absolute zero
- to creat negative numbers

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