Precision & Accuracy Precision –How close are the measurements to each other? –Reproducibility Accuracy – How close is a measurement to the true value?
Physics Introductory Unit ~The Mathematical Background~
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Regent Physics Review. Physics Units I. Physics Skills II. Mechanics III. Energy IV. Electricity and Magnetism V. Waves VI. Modern Physics.
Chapter 2. Measurement Chemistry is a physical science, one that depends heavily on measurement to obtain quantitative data. Measurement is the determination.
Types of Numbers (Data) Exact numbers (data) obtained from counting some conversions (e.g. 2.54 cm = 1 inch, exactly) Inexact most measured data Significant.
Review Chapter Measurement and Calculations in Chemistry.
1. 2 Measurement and Significant Figures 3 Measurements Experiments are performed. Numerical values or data are obtained from these measurements.
Standards for Measurement Preparation for College Chemistry Columbia University Department of Chemistry.
Introduction: Matter and Measurement Chapter 1. Uncertainty in Measurement The term significant figures refers to digits that were measured. When rounding.
Chemistry! 9/22/09 Properties of Matter. Measuring matter Mass: amount of matter. (kg, g, lbs) Volume: Space taken up in 3D (m 3, mL, cm 3, Liters)
CHEM12_C0300_SWBT
