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Essential Questions What characteristics identify a substance? What distinguishes physical properties from chemical properties? How do the properties of.

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Presentation on theme: "Essential Questions What characteristics identify a substance? What distinguishes physical properties from chemical properties? How do the properties of."— Presentation transcript:

1 Essential Questions What characteristics identify a substance? What distinguishes physical properties from chemical properties? How do the properties of the physical states of matter differ? Properties of Matter Copyright © McGraw-Hill Education

2 Front Cover

3 Anything that has mass Anything that has mass and takes up space Everything around us Everything around us

4 Physical forms of matter, either solid, liquid or gas. Physical forms of matter, either solid, liquid or gas. Also known as Phase Changes Also known as Phase Changes

5 Solids are a form of matter that have their own definite shape and volume Solids are a form of matter that have their own definite shape and volume Liquids are a form of matter that have a definite volume but take the shape of the container Liquids are a form of matter that have a definite volume but take the shape of the container Gases have no definite shape or volume. They expand to fill their container. Gases have no definite shape or volume. They expand to fill their container.

6 Copyright © McGraw-Hill Education Gas Gas Solids Solids Liquid Liquid

7 Copyright © McGraw-Hill Education How would you describe the movement of the particles in each phase How would you describe the movement of the particles in each phase

8 Copyright © McGraw-Hill Education A characteristic of matter that can be observed or measured without changing the sample’s composition A characteristic of matter that can be observed or measured without changing the sample’s composition

9 Examples of Physical Properties Examples of Physical Properties Volume Volume Mass Mass Buoyancy Buoyancy Conductivity Conductivity Viscosity Viscosity Melting point Melting point State of Matter State of Matter Size Size Shape Shape Weight Weight Density Density Boiling point Boiling point Length Length

10 Extensive properties: Extensive properties: Dependent on the amount of substance present Dependent on the amount of substance present Mass TWO TYPES OF PHYSICAL PROPERTIES TWO TYPES OF PHYSICAL PROPERTIES

11 Intensive properties Intensive properties Independent of the amount of substance present Independent of the amount of substance present

12 Physical Property Intensive Property Extensive Property Shape Density Length Mass

13 The ability or inability of a substance to combine with or change into one or more other substances. The ability or inability of a substance to combine with or change into one or more other substances. Are not obvious unless the substance has changed composition Are not obvious unless the substance has changed composition

14 Examples of Chemical Properties Examples of Chemical Properties Flammability Flammability Combustibility Combustibility Reactivity Reactivity

15 The ability of a substance to undergo changes that cause the appearance to be different without changing the composition of the substance. The ability of a substance to undergo changes that cause the appearance to be different without changing the composition of the substance.

16 Examples of Physical Changes Examples of Physical Changes Cut Cut Tear Tear Folded Folded Painted Painted Dissolve Dissolve Water Cycle Water Cycle Mixture Mixture Melt Melt Evaporate Evaporate

17 Most Physical Changes are REVERSIBLE Any change between solid, liquid and gas is ONLY PHYSICAL!!!!

18

19 A process that involves one or more substances changing into a new substances with different composition and different properties A process that involves one or more substances changing into a new substances with different composition and different properties

20 Examples of Chemical Changes Examples of Chemical Changes Gas Production Gas Production Color Change Color Change Energy – Absorbed or Released Energy – Absorbed or Released Not easily reversed Not easily reversed Odor Changes Odor Changes Oxidized (Rusting) Oxidized (Rusting)

21 Chemical Changes are Chemical Reactions Law of Conservation of Mass States that mass is neither created nor destroyed during a chemical reaction States that mass is neither created nor destroyed during a chemical reaction Mass reactants = Mass products


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