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"Changes in Rice, Starch and Iodine" Changes in Substances PPT Courseware 3
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2023-09-25 18:15:23
"Changes in Rice, Starch and Iodine" Changes in Substances PPT Courseware 2
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"Will rocks change their appearance?" Earth's surface and its changes PPT
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"Chromosome Variation" Gene Mutation and Other Variations PPT
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"Melting and Solidification" State of Matter and Its Changes PPT Courseware 3
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"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
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"Combustion and Fire Extinguishing" PPT courseware on changes in matter
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"The Sun and Earth's Material Changes" PPT Courseware 3
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"Iron is Rusty" Changes in Matter PPT Courseware 2
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"Changes in Rice, Starch and Iodine" Changes in Substances PPT Courseware 4
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"Changes of Baking Soda and White Vinegar" PPT teaching courseware on changes in substances
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"Classification and Transformation of Matter" Matter and its Changes PPT (Classification of Matter in Lesson 1)
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2023-09-25 18:21:27
"The Sun and Earth's Material Changes" PPT Courseware 2
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"The Sun and Earth's Material Changes" PPT Courseware 2
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"Melting and Solidification" State of Matter and Its Changes PPT Courseware 2
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"Melting and Solidification" State of Matter and Its Changes PPT Courseware 3
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"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
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2023-10-05 09:35:12
"Conversion of Sulfur" Nature and Transformation of Substances PPT (Lesson 2: Sulfuric Acid Rain and Its Prevention and Control)
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2023-09-25 17:34:01
"Several Compounds of Sodium - Flame Color Test" Sodium and its compounds PPT
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"Transformation of Sulfur" Nature and Transformation of Substances PPT (Second Lesson: Sulfuric Acid Rain and Its Prevention and Control)
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2023-09-25 17:34:01
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