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Chapter 3: Scientific Measurement

Chapter 3: Scientific Measurement. 3.1 Measurements and Their Uncertainty 3.2 The International System of Units 3.3 Conversion Problems 3.4 Density. Last modified 8-06 Corresponds with Prenice Hall text Ch. 3. 3.1. 3.1 Measurements and Their Uncertainty.

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Chapter 3: Scientific Measurement

3.1. Chapter 3: Scientific Measurement. A measurement is a quantity that has both a number and a unit. Measurements are fundamental to the experimental sciences. For that reason, it is important to be able to make measurements and to decide whether a measurement is correct.

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Chapter 1

Chapter 1. Chemistry: The Study of Change. Classification. Mixtures Elements Pure Substances Homogeneous Matter Heterogeneous Compounds. Classification. Classification. What is the difference between pure substances and mixtures?.

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Analytical Chemistry

Analytical Chemistry. Definition: the science of extraction, identification, and quantitation of an unknown sample. Example Applications: Human Genome Project Lab-on-a-Chip (microfluidics) and Nanotechnology Environmental Analysis Forensic Science. Course Philosophy.

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The Metric (SI) System

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The Metric (SI) System

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Analytical Chemistry

Analytical Chemistry. Definition: the science of extraction, identification, and quantitation of an unknown sample. Example Applications: Human Genome Project Lab-on-a-Chip (microfluidics) and Nanotechnology Environmental Analysis Forensic Science. Course Philosophy.

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Measurements: Accuracy, Precision, & Error

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Analytical Chemistry

Analytical Chemistry. Definition: the science of extraction, identification, and quantitation of an unknown sample. Example Applications: Human Genome Project Lab-on-a-Chip (microfluidics) and Nanotechnology Environmental Analysis Forensic Science. Course Philosophy.

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Turn in Homework to the front! 9/5 Warm Up

Turn in Homework to the front! 9/5 Warm Up. 1. Explain the difference between a physical and chemical change. 2. Explain the difference between homogenous and heterogeneous mixtures. 3. What are 3 ways that a mixture can be separated?. 2.2 & 2.3 & 2.4 Notes. Simplest form of matter

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What is Physics?

What is Physics?. What is Physics?. Physics is the scientific study of the physical world: matter, energy, motion, and force. The study of the fundamental laws of nature, which, simply put, are the laws that underlie all physical phenomena in the universe.

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SIGNIFICANT FIGURES

SIGNIFICANT FIGURES. What are significant figures??. The number of meaningful or reliable digits in a measurement. How to identify significant figures??. Rule 1. All nonzero digits are significant Example: 199 ? 85 967 ?. 3 significant figures. 5 significant figures. Rule 2.

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Chapter 2A : Measurements & Calculations

Chapter 2A : Measurements & Calculations. West Valley High School General Chemistry Mr. Mata. Cartoon courtesy of NearingZero.net. Standard 1B. Students will know how to use the Periodic Table to identify metals, nonmetals, & semimetals. Essential Question.

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Chapter 1

Chapter 1. Introduction: Matter and Measurement. Properties of Matter. Chemical property : a property that describes the way a substance may react to form other substances. Physical property : a property that can be observed without changing the identity and composition of the substance.

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Significant Figures

Significant Figures. In science, measured values are reported in terms of significant figures. Significant figures in a measurement consist of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated.

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