Natural science

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  What is the difference between a helicopter and an airplane?

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  Сolorful plants

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  Movable arms

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  Find the best pinwheel design

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  Luminaire

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  Constellation

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  Marble race

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  Ears: Do design, size and shape matter?

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  Practical work №2. “Designing models of molecules of different substances”

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  Practical work №1. “Determination of population density”