7 class

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  Laboratory work #6. Examine Archimedes’ force

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  Laboratory work #5 Studying the sliding friction force

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  Laboratory work #8: “Features of excretion in plants”

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  Laboratory work №8: Neutralization

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  Laboratory work №7: pH measurements

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  Laboratory work №6: The combustion process

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  Laboratory work #4: The study of process of cooling

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  Laboratory work #5: Plotting water heating curve

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  Laboratory work #3: Study of signs of chemical phenomena

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  Laboratory work №4-5: «Internal structure of the stem. Study of plant root zones»