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Units & Measurements Section 2.1

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Units & MeasurementsSection 2.1

Define SI Base Units

Explain how adding a prefix changes a unit

Convert between Metric Units

Chemists use an internationally recognized system of units to communicate their findings.

Page 4: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

Systeme Internationale d’Units (SI) is an internationally agreed upon system of measurements.

Page 5: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

A defined unit in a system of measurement.

Example: Meter Liter Gram

Page 6: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

Page 7: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

A unit that is defined by a combination of base units.

Page 8: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

Page 9: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

The first known use of the zero was by 7th century Hindu, Braghmagupta. Ancient Egyptians and Greeks mathematicians computed without using the zero. However, ancient Babylonians used a place holder similar to the zero.

Page 10: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

English Standard

Used in United States & Liberia

Yards, Miles, Quarts, & Galloons

Page 11: Units & Measurements Section 2.1. Define SI Base Units Explain how adding a prefix changes a unit Convert between Metric Units

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Mass

Kelvin

Length

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