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Articles related to precise measurement

Significant Figures in Measurements and Calculations - Chemistry
Use correct significant figures when reporting measurements. ... absolute uncertainty in the least precise measurement (not by the number of significant figures).
http://chemistry.about.com/od/mathsciencefundamentals/a/sigfigures.htm
Accuracy vs. Precision - Science Measurements
Here's a quick review of the concepts of accuracy and precision.
http://chemistry.about.com/od/chemistryquickreview/a/accuracyprecise.htm
What Is the Difference Between Accuracy and Precision? - Chemistry
Accuracy and precision are two important factors to consider when taking data measurements. Both accuracy and precision reflect how close a measurement is  ...
http://chemistry.about.com/od/unitsconversions/fl/What-Is-the-Difference-Between-Accuracy-and-Precision.htm
Using Significant Figures & Scientific Notation - Physics - About.com
When measuring physical quantities, scientists have to keep track of their level of precision. This article will discuss how scientists use significant figures to do ...
http://physics.about.com/od/classroomphysics/a/SigFigs.htm
Measurement and Standards Study Guide - Chemistry - About.com
Accuracy is important in a measurement, but it is not all that is needed. Precision refers to how well the measurements compare to each other. In this illustration ...
http://chemistry.about.com/od/unitsmeasurement/tp/Measurement-And-Standards-Study-Guide.htm
Mass and Measurement Chemistry - About.com
Another expression of the uncertainty of a measurement is the use of significant figures. The more significant figures a measurement has, the more precise ...
http://chemistry.about.com/od/chemistry101/tp/Mass-and-Measurement-Chemistry.htm
2P0X1 - PRECISION MEASUREMENT EQUIPMENT LABORATORY
Specialty Summary.Performs and manages repair, calibration, and modification of test, measurement, and diagnostic equipment (TMDE), including precision ...
http://usmilitary.about.com/od/airforceenlistedjobs/a/afjob2p0x1.htm
Accuracy Definition - Chemistry Glossary - About.com
This target has been struck with a high degree of precision, yet a low degree of ... Accuracy is determined by comparing the measurement against the true or ...
http://chemistry.about.com/od/chemistryglossary/a/accuracydef.htm
Quiz Yourself Using These Chemistry Practice Tests
Measurement is an important concept in all science. Your total measurement precision is only as good as your least precise measurement. These ten chemistry ...
http://chemistry.about.com/od/chemistry-test-questions/tp/Chemistry-Tests-Chemistry-Practice-Tests.htm
Measuring Precipitation - How to Measure Precipitation - Geography
Weather observers use more sophisticated instruments, known as rain gauges and tipping buckets to more precisely measure precipitation. Rain gauges have ...
http://geography.about.com/od/physicalgeography/a/precipitation.htm
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