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物質及其變化ppt Free Resources Download
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"Diversity of Iron" PPT courseware on the properties and transformation of matter (the transformation relationship between iron and its compounds in Lesson 3)
下载 161 次
2023-09-25 17:34:01
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 3
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2023-10-05 09:34:11
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 3
下载 256 次
2023-09-25 18:19:58
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 4
下载 687 次
2023-09-25 18:19:58
"Slow down the speed of food spoilage" Food PPT
下载 486 次
2023-09-25 18:14:51
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 3
下载 815 次
2023-09-25 18:15:52
"Combustion and Fire Extinguishing" Changes in Matter PPT Courseware 2
下载 914 次
2023-09-25 18:15:51
"Iron is Rusty" PPT teaching courseware on changes in matter
下载 167 次
2023-09-25 17:31:46
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 2
下载 189 次
2023-09-25 18:19:58
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 5
下载 69 次
2023-10-05 09:34:11
"The Mass of Objects and Its Measurement" Scale, Mass and Density of the Material World PPT Courseware 5
下载 450 次
2023-09-25 18:19:58
"Will Rocks Change Their Appearance" PPT download of Earth's surface and its changes
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2023-09-25 18:14:37
"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)
下载 824 次
2023-09-25 17:34:02
"Chromosome Variations" Gene Mutation and Other Variations PPT Courseware
下载 90 次
2023-10-05 09:39:38
"Chromosome Variation" Gene Mutation and Other Variations PPT Download
下载 674 次
2023-10-05 09:28:38
"Will Rocks Change Their Appearance" PPT download of Earth's surface and its changes
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2023-10-05 09:49:12
"Physical Properties and Chemical Properties" PPT courseware
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2023-09-25 17:32:24
"Vaporization and Liquefaction" PPT Courseware on Changes in State of Matter 10
下载 151 次
2023-09-25 18:20:48
"Vaporization and Liquefaction" PPT Courseware on Changes in State of Matter 4
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2023-09-25 18:19:07
"Physical Properties and Chemical Properties" PPT courseware
下载 249 次
2023-09-20 15:11:49
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