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"Transformation of Matter" Classification and Transformation of Matter PPT
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2023-10-05 09:32:22
"Changes of Rice, Starch and Iodine" PPT download of changes in substances
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2023-09-25 17:31:47
"Separation of Matter" PPT courseware
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2023-10-05 09:47:44
"Classification of Matter" PPT courseware
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"Elements Composing Matter" PPT
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"Specific Heat of Matter" PPT Courseware
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2023-09-20 15:20:57
"Commonly used physical quantities in chemistry - the amount of matter" Understanding chemical science PPT (the application of the amount of matter in chemical reactions in the third lesson)
下载 281 次
2023-09-25 18:21:39
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
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2023-10-05 09:35:12
"Exploring the Density of Matter" Materials Around Us PPT Courseware
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2023-09-25 17:33:50
"Changes of Baking Soda and White Vinegar" Changes of Substances PPT Courseware 3
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2023-09-25 18:15:26
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 3
下载 815 次
2023-09-25 18:15:52
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
下载 338 次
2023-09-25 18:15:52
"Transformation of Matter" Classification and Transformation of Matter PPT
下载 979 次
2023-09-25 18:23:33
"Changes of Baking Soda and White Vinegar" Changes of Substances PPT Courseware 2
下载 476 次
2023-09-25 18:15:26
"Digestion of Food and Absorption of Nutrients" PPT courseware download
下载 154 次
2023-10-05 09:33:32
"Combustion and Fire Extinguishing" PPT courseware on changes in matter
下载 434 次
2023-09-25 18:15:51
"Iron is Rusty" Changes in Matter PPT Courseware 2
下载 373 次
2023-09-25 18:15:26
"Physical Quantities Commonly Used in Chemistry—Amount of Substances" Understanding Chemical Science PPT Courseware (Lesson 3: Amount and Concentration of Substances)
下载 883 次
2023-09-25 18:21:38
"Exploration of the Properties of Matter" Everyone Comes to Learn Chemistry PPT Courseware
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2023-09-25 18:21:17
"Digestion of Food and Absorption of Nutrients" PPT courseware download
下载 184 次
2023-09-25 18:28:20
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