7 class

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   Laboratory work #10: «Test for hydrogen gas»

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  Laboratory work #9: «The interaction of zinc with acids»

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   Laboratory work #11: «Study of the breathing process»

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  Strawberry DNA extraction

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  Laboratory work No.2: “Purification of contaminated table salt”

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  Laboratory work No.1: “Comparison of mixtures of substances and their compounds”

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  Laboratory work #14: «Antiseptics vs. Bacteria»

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  Laboratory work #12: «Let’s grow bacterial cultures»

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  Laboratory work #13: «How to make yogurt and cheese?»

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  Laboratory work #4. Studying elastic deformations