Фамилия, Имя Практическая работа «Определение условий прорастания семян» Класс Дата Биология Цель работы: определить условия, необходимые для прорастания семян. Материалы и оборудование: семена культурных растений (фасоль, горох, пшеница, подсолнечник), бумажные полотенца, пластиковые или стеклянные контейнеры Ход работы: 1) Возьмите равное количество (5-10) семян одного вида растения. 2) Контейнеры промаркируйте (номер опыта и дата начала эксперимента). 3) Положите на дно каждого контейнера бумажное полотенце. 4) Заложить опытные образцы в пяти различных условиях: Опыт 1. При наличии света и тепла, достаточного увлажнения. Опыт 2. При наличии света и достаточного увлажнения, при низких температурах (в холодильнике). Опыт 3. При наличии тепла и достаточного увлажнения, отсутствии света (в темном помещении, шкафу). Опыт 4. При наличии света и тепла, избыточного количества воды (полный контейнер воды). Опыт 5. При наличии света и тепла, отсутствии воды. 5) Каждые день ведите контроль и учет результатов, делая фотографии, заполняя таблицу. 6) На основании полученных результатов сделайте выводы об условиях, необходимых для прорастания семян. Результаты эксперимента Дата Опыт 1 Опыт 2 Опыт 3 Опыт 4 Опыт 5 01.05.26 02.05.26 03.05.26 04.05.26 05.05.26 06.05.26 07.05.26 Вывод:

Фамилия, Имя:

Перфильев Павел

Класс:

8в

Дата:

30.04

Предмет:

Биология

Практическая работа:

«Определение условий прорастания семян»

Цель работы:

Определить условия, необходимые для прорастания семян.

Материалы и оборудование:

• Семена культурных растений (фасоль, горох, пшеница, подсолнечник)
• Бумажные полотенца
• Пластиковые или стеклянные контейнеры

Ход работы:

1. Взять равное количество (5-10) семян одного вида растения.
2. Промаркировать контейнеры (номер опыта и дата начала эксперимента).
3. Положить на дно каждого контейнера бумажное полотенце.
4. Заложить опытные образцы в пяти различных условиях:
• Опыт 1: При наличии света и тепла, достаточного увлажнения.
• Опыт 2: При наличии света и достаточного увлажнения, при низких температурах (в холодильнике).
• Опыт 3: При наличии тепла и достаточного увлажнения, отсутствии света (в темном помещении, шкафу).
• Опыт 4: При наличии света и тепла, избыточного количества воды (полный контейнер воды).
• Опыт 5: При наличии света и тепла, отсутствии воды.
5. Каждый день вести контроль и учет результатов, делая фотографии, заполняя таблицу.
6. На основании полученных результатов сделать выводы об условиях, необходимых для прорастания семян.

Результаты эксперимента:

Вывод:

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Таблица результатов эксперимента: