1. hseex1-0337

    Awards:
    1
    Physics
    5
    Chemistry
    other 4 awards
    Chemistry
    For participation in the project "Изучаем бытовую химию"
    Chemistry
    For participation in the project "Natural pH indicators"
    Chemistry
    For participation in the project "Резиновое яйцо"
    1
    Biology
    For participation in the project "Индикатор крахмала"