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Chemistry Refresher: Numbers and Measurements

Number and Measurements

This page will introduce or help refresh your knowledge on the numbers and measurements of chemistry. 

The videos to the right will explore unit conversion, scientific notation, and calculations with scientific figures. The video below focuses specifically on temperature and density. Be sure to view all videos. 

Temperature and Density

Number and Measurements (click RIGHT)

Unit Conversion & Significant Figures

Unit Conversion & The Metric System

Learn some helpful tricks on how to remember the metric system, and practice what you just learned to ace your exam! This video helps you understand how to use the metric system as a conversion factor to convert units and helps you stop guessing for good!

Significant Figures - Rules Made Easy

Learn how to identify significant figures in this video.

Significant Figures - Adding and Subtracting

Learn how to add, subtract, and round your answer using significant figures.

Significant Figures - Multiplying and Dividing

Learn how to multiply, divide, and round your answer using significant figures.

Scientific Notation

This Math Shorts episode explains the term scientific notation and provides several examples in converting extreme numbers to and from scientific notation. It also demonstrates how to multiply numbers using scientific notation.

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