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# Physical Science 1.2 : Physical Properties

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### Transcript of "Physical Science 1.2 : Physical Properties"

1. 1. Physical Properties<br />Physical Science<br />Chapter 1.2<br />
2. 2. Objectives:<br />Identify six examples of physical properties of matter. <br />Describe how density is used to identify substances.<br />List six examples of physical changes.<br />Explain what happens to matter during a physical change.<br />
3. 3. Physical Properties<br />Can be observed or measured without changing the matter’s identity.<br />
4. 4. Identifying Matter<br />You use physical properties to identify matter.<br />Density <br />amount of matter in a given space, or volume. <br />The two balls below have different densities.<br />Liquid Layers<br />This graduated cylinder contains six liquids. <br />Each liquid is a different density so the liquids form layers.<br />
5. 5. Density of Solids<br />Knowing the density of a substance can also tell you what kind of substance it is.<br />Solving for Density<br />To find an objects density (D),<br />first measure its mass (m)<br />and volume (V).<br />Then use the following equation:<br />D = m/V<br />
6. 6.
7. 7. Using Density to Identify Substances<br />Look at the table below to compare densities of several common substances.<br />
8. 8. Physical Changes Do Not Form New Substances<br />
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