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"Periodic Law of Elements" Periodic Law of Elements in Material Structure PPT (Periodic changes in the properties of elements in Lesson 1)
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"Controlling the Speed of Iron Rusting" Changes in Matter PPT Courseware 2
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"Changes of Baking Soda and White Vinegar" PPT download of changes in substances
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"Carbohydrates and Lipids in Cells" PPT courseware on the molecules that make up cells
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"Classification of Elements and Matter" Elements and the Material World PPT (an important mixture in Lesson 2 - colloid)
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"Exploration - Comparing the Speed of Movement of Objects" Simple Movement of Matter PPT Courseware 3
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