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"Exploration - What does the magnitude of frictional force have to do with" Motion and Force PPT Courseware 4
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2023-09-25 18:20:04
"How Sound is Produced" Various Sounds PPT Courseware 3
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2023-10-05 09:44:01
"How Plants Reproduce" Plant Life System PPT Courseware 2
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2023-10-05 09:27:44
"How to compare the speed of work" PPT courseware on mechanical work and mechanical energy
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2023-09-25 18:28:45
"How Lever Works" Construction and Simple Machinery PPT Courseware 2
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2023-09-25 17:32:10
"What's the temperature today" What's the weather like tomorrow PPT courseware 2
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"How to know and measure current" explores simple circuits PPT courseware 2
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"Exploration - What does the magnitude of frictional force have to do with" Motion and Force PPT Courseware 3
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2023-09-25 18:20:05
"Great Historical Turning" PPT courseware on building socialism with Chinese characteristics
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"Exploration-Specific Heat Capacity of Matter" Mechanical energy, internal energy and their conversion PPT courseware 4
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"Social Life in Quiet Transformation" The World and China in the Early 20th Century PPT
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2023-09-25 18:26:37
"Exploration-Specific Heat Capacity of Matter" Mechanical energy, internal energy and their conversion PPT courseware 2
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2023-09-25 18:20:13
"Exploration - What does the magnitude of frictional force have to do with" Motion and Force PPT Courseware 5
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2023-09-25 18:20:04
"How to use electrical appliances to work normally" Electric Energy and Electric Power PPT Courseware 2
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2023-10-05 09:37:16
"How to Compare the Speed of Work" Mechanical Work and Mechanical Energy PPT Courseware 2
下载 880 次
2023-09-25 18:28:45
"How to use electricity safely" Household circuits and safe electricity use PPT courseware 3
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2023-09-25 18:20:55
"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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2023-09-25 17:34:02
"Structural Hierarchy of Animal Body" How cells constitute living organisms PPT courseware
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2023-09-25 18:27:45
"Structural Hierarchy of Plants" How cells constitute organisms PPT courseware
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How "Radio and Television" conveys information—Introduction to communication technology PPT courseware
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2023-09-25 18:20:15
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