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"New Materials and Their Applications" Scale, Mass and Density of the Material World PPT Courseware 4
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"DNA is the main genetic material" PPT download of the nature of genes
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"Integration of this Chapter" Quality and Density PPT
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"Specific Heat of Matter" PPT Courseware
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"Learning to use balance and measuring cylinder" mass and density PPT courseware
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"Digestion of Food and Absorption of Nutrients" PPT courseware
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"End of Chapter Review" Quality and Density PPT
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"End of Chapter Review" Quality and Density PPT
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"Digestion of Food and Absorption of Nutrients" PPT download
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"Quality" Quality and Density PPT Courseware
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"Temperature" Changes in State of Matter PPT
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"Temperature" Changes in State of Matter PPT
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"Learning to Use Balances and Graduating Cylinders" Mass and Density PPT Courseware 2
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"The Secret of the Pendulum" PPT courseware
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"Acidity and Alkalinity of Matter" PPT (first lesson)
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"Classification and Transformation of Matter" PPT download
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"Changes in Water" Changes in Matter PPT Courseware 2
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"Wonderful Changes" PPT courseware on changes in matter
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"Changes in Water" Changes in Matter PPT Courseware 2
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"Dispersion of Substances in Water" PPT
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"Transportation of Substances in the Body" PPT (Experimental Class)
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"Classification and Transformation of Matter" PPT courseware
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"Learning to use balance and measuring cylinder" mass and density PPT courseware 2
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"Nutrition Substances in Food" Human Nutrition PPT Courseware 6
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"Nutrients in Food" Human Nutrition PPT Courseware 4
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"The Secret of the Pendulum" PPT courseware
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"Particles constituting matter (Ⅱ) - atoms and ions" PPT courseware on the composition of air and matter
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"Physical Properties and Chemical Properties" PPT courseware
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"Quality" Quality and Density PPT Courseware 10
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"Nutrition Substances in Food" Human Nutrition PPT Courseware 2
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"Nutrition Substances in Food" Human Nutrition PPT Courseware 5
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