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"Taste the Bitterness" The Joy and Trouble of Growing Up PPT Courseware 4
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"Preliminary Understanding of Chemical Elements" Representation of Chemical Elements and Substance Composition PPT Courseware
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"Identifying the Elemental Composition of Matter" PPT courseware on the composition of air and matter
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"What Becomes a Chrysalis" Animal Life Cycle PPT Courseware 2
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Cartoon my summer vacation life children's growth record PPT template
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"What Becomes a Chrysalis" Animal Life Cycle PPT Courseware 3
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"Water Energy and Wind Energy" mechanical energy and its transformation PPT courseware
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"Three State Changes of Water" PPT download of changes in temperature and water
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"Changes of rice, starch and iodine" PPT on changes in substances
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"Exploring the Characteristics of Melting and Solidification" Material Forms and Their Changes PPT Courseware
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"Changes in the State of Matter in Life and Technology" State of Matter and its Changes PPT Courseware 3
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"Changes in the State of Matter in Life and Technology" State of Matter and its Changes PPT Courseware 2
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"Changes in the State of Matter in Life and Technology" State of Matter and its Changes PPT Courseware 2
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"Mechanical Energy and Its Transformation" Work and Mechanical Energy PPT Download
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"Cultural Heritage Around Us" PPT
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"Changes of Matter" PPT courseware
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