Natural science

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  Practical work № 8. “The digestive system”

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  Practical work № 6. “Comparison of thermal insulation methods”

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  Practical work № 7. “What are household chemicals and what are the rules for their safe use?”

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  Practical work. “How does the process of photosynthesis occur?”

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  Practical work №5. “Study of an onion husk micropreparation under a light microscope”

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  Practical work №4. How to determine the mass fraction of substances in the solution?

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  Practical work. “How to make a sugar rainbow?”

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  Practical work № 6. “Determination of advantages and disadvantages of natural and artificial fibers”

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  Practical work №5. “How to neutralize the solution?”

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  Practical work №4. “Determination of the pH of solutions”