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Unit 3 - Large Format Slides

Unit 3 - Large Format Slides - Changes in and...

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Changes in and Characteristics of Matter Chemistry 102 Fall 2009
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In the Text… ring4 Chapter 1 circle6 Sections 3, 4, & 5 (mass & weight) circle6 End of Chapter Questions 1-6, 8-12 (even) 2
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Worksheets/Handouts ring4 Classifying Matter Decision Tree ring4 Activity – Basic Concepts About Matter circle6 Print out and bring to class. circle6 Complete focus questions before in-class session Tentatively scheduled for: _____________ 3
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What is a science? 4
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What is chemistry? 7
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What is matter? ring4 Definition: Matter circle6 Anything that has mass and occupies space ring4 Examples: circle6 Air, oxygen, soil, bacteria, etc. 9
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States of Matter 10
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Matter can be classified by physical state ring4 Solid ring4 Liquid ring4 Gas 11
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Matter can be classified by physical state ring4 Solid circle6 defined shape and volume circle6 Molecules tightly packed together “Glass of Ice Cubes” online photograph. DKImages. 26 Aug. 2007 12
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Matter can be classified by physical state ring4 Liquid circle6 defined volume but takes the shape of the container circle6 Molecules loosely packed together “A glass of water” online photograph. DKImages. 26 Aug. 2007. 13
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Matter can be classified by physical state ring4 Gas circle6 lacks a defined shape or volume circle6 Molecules far apart " water: steam ." Online Photograph. Encyclopædia Britannica Online. 26 Aug. 2007 14
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Changes in state ring4 Temperature, pressure, structural forces affect state " water: steam ." Online Photograph. Encyclopædia Britannica Online. 26 Aug. 2007 “A glass of water” online photograph. DKImages. 26 Aug. 2007. “Glass of Ice Cubes” online photograph. DKImages. 26 Aug. 2007 16
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PROPERTIES OF MATTER Text section 1.4 17
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Properties of Matter ring4 A property is a distinguishing characteristic of a substance that is used to identify and describe ring4 Two types of properties: circle6 Physical circle6 Chemical 18
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Physical Properties ring4 Characteristic that can be observed without changing the basic identity of something ring4 Color, odor, physical state (solid, liquid, gas), melting and boiling points, hardness 19
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Chemical Properties ring4 Characteristic that describes the way the substance undergoes or resists change to form a new substance http://pers.dadeschools.net/prodev/acts-sci6-8.htm 21
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