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Chapter 9 Lesson 2

Chapter 9 Lesson 2 . PROPERTIES. Vocabulary. Boiling point – the temperature at which a substance changes from a liquid to a gas. Chemical property- the ability or tendency of a material to change its chemical makeup. Conductivity – the ability to carry energy.

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Chapter 9 Lesson 2

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  1. Chapter 9 Lesson 2 PROPERTIES

  2. Vocabulary • Boiling point – the temperature at which a substance changes from a liquid to a gas. • Chemical property- the ability or tendency of a material to change its chemical makeup. • Conductivity – the ability to carry energy. • Density- mass per unit volume of a substance. • Melting point – the temperature at which a solid substance changes to a liquid. • Physical property- characteristic that can be measured or detected by the senses • Solubility – measure of how much of one substance can dissolve in another.

  3. Using Your Senses • There are two types of properties ways to describe matter. • Physical Properties • Chemical Properties

  4. Physical Properties • A physical property of matter can be detected by the senses. • Your senses are: sight, smell, taste, feel, and hearing.

  5. Physical Properties • When looking at matter, you want to observe: state (solid, liquid, or gas), size, color, and odor.

  6. Physical Properties • Other physical properties can be measured: length, volume, and mass.

  7. Physical Properties Mass, Volume, and Density • All matter has mass, volume, and density. • Mass is how much matter is in an object. • Volume is how much space an object takes up. • Density is its mass per unit. • Density IS NOT the same as weight.

  8. Chemical Properties • A chemical property is the ability or tendency of a material to change its chemical makeup. • You can observe a material’s chemical properties by observing its changes under certain conditions: such as burning.

  9. Let’s watch a video…

  10. Now it’s your turn! • Let’s see what you can do. Complete the worksheet.

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