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Chapter 5 Vocab Perl

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Section 1

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measurment

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Date created

Mar 1, 2020

Cards (31)

Section 1

(31 cards)

measurment

Front

A quantitative observation.

Back

5 km = ? miles

Front

3 miles

Back

SI Units

Front

International System of units based on the metric system and on units derived from the metric system.

Back

interpolation

Front

An estimation of a value within two known values in a sequence of values.

Back

vacuum

Front

A space entirely devoid of matter

Back

accuracy

Front

The measure of how close a value is to the correct value.

Back

density

Front

The mass of a substance per a given volume of that substance. M/V

Back

conversion factor

Front

A ratio used to convert from one unit to another.

Back

Scientific Notation

Front

A method for representing a very large or very small number and for easily indicating the number of significant figures.

Back

1 meter = ? yards

Front

1 yard

Back

extrapolation

Front

An estimation of a value based on extending a known sequence of values or facts beyond the area that is certainly known.

Back

Kelvin (K)

Front

A metric unit of temperature measurement where 0° is considered absolute zero absolute zero - theoretical lowest possible temperature

Back

1 L = ? quarts

Front

1 quart

Back

derived units

Front

A unit that is a combination of units

Back

Specific Gravity

Front

The ratio of density of a given liquid to the density of water at 4 °C.

Back

mass

Front

The quantity of matter in an object. (SI unit based on kilogram)

Back

volume

Front

The amount of three-dimensional space occupied by a substance. (SI unit based on cubic meter - m3) 1 dm3 = 1 liter

Back

dimensional analysis

Front

The process of using conversion factors to change from one unit to another. (also called Factor-Label Method or the Unit Factor Method)

Back

1 in = ? cm

Front

2.5 cm

Back

1 oz = ? grams

Front

30 grams

Back

significant figures

Front

The certain digits and the first uncertain digit of a measurement.

Back

meniscus

Front

The concave curve in a graduated cylinder that is read to determine volume

Back

Fahrenheit (°F)

Front

A temperature measurement where water freezes at 32° & boils at 212°.

Back

1 kg = ? lbs

Front

2 lbs

Back

units

Front

The part of the measurement telling us the scale being used.

Back

Celcius (°C)

Front

A metric unit of temperature measurement where water freezes at 0° and boils at 100°.

Back

English System

Front

The measurement system used in many countries including the United States using feet, pounds and seconds.

Back

percent error

Front

A measure of how inaccurate a measurement is, standardized to how large the measurement is. Formulas vary

Back

Metric System

Front

A decimal system of weights and measures based on the meter and on the kilogram.

Back

decant

Front

To gradually pour a liquid from one container into another, esp. without disturbing the sediment.

Back

percision

Front

The degree of agreement among several measurements of the same quantity; the reproducibility of a measurement.

Back