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"Understanding some physical properties of matter" Materials around us PPT courseware
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"Material Changes and Us" Material Changes PPT Courseware 3
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"Measurement of Average Speed" Simple Movement of Matter PPT Courseware
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"Food Spoilage" Food in Life PPT Courseware
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"Understanding some physical properties of matter" Materials around us PPT courseware 2
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"Slow down the speed of food spoilage" Food PPT
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"Slow down the speed of food spoilage" Food PPT
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"Green Plants and the Material Cycle of the Biosphere" PPT
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"Digestion of Food and Absorption of Nutrients" PPT
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"Understanding some physical properties of matter" Materials around us PPT courseware 2
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"What changes have occurred in matter" Changes in matter PPT download
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"Measurement of Average Velocity" Simple Motion of Matter PPT Courseware 2
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PPT of Physical Properties and Chemical Properties
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"Energy Flow and Material Cycle in Ecosystems" PPT
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