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"The Mass of an Object and Its Measurement" The Scale, Mass and Density of the Material World PPT Courseware 4
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"Diversity of Iron" Properties and Transformation of Matter PPT (Lesson 2: The transformation relationship between iron, iron oxides and iron hydroxides, iron and its compounds)
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"Properties of Chlorine" PPT courseware of chlorine and its compounds
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"Properties of Iron and Its Compounds" Experimental Activity PPT
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"Carbon and Its Compounds" Fuel and Combustion PPT Courseware
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"Will Rocks Change Their Appearance" PPT download of Earth's surface and its changes
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"Vaporization and Liquefaction" PPT Courseware on Changes in State of Matter 3
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"Changes in the State of Matter in Life and Technology" PPT courseware on the state of matter and its changes
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"Chromosome Variations" Gene Mutation and Other Variations PPT Courseware
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"Iron and its Compounds" Iron Metal Materials PPT (Elementary Substance of Iron in Lesson 1)
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