家居化學物質對細菌生長的影響
Learn about the concept of bacterial growth and different methods of disinfection. Students can spread a layer of bacterial cells on agar plates, place paper discs of different household chemicals, like mouthwash, toothpaste, alcohol, etc, onto the plates, to investigate their effects on bacterial growth. 認識細菌生長的基礎概念與不同的殺菌方法。學生會將一層細菌塗抹在瓊脂培養皿上,然後將吸收過不同家居化學物質(例如漱口水、牙膏、酒精)的濾紙放在培養皿上,以探究家居化學物質對細菌生長的影響。 |
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Course Code
課程編號 |
Primary
小學 |
Secondary
中學 |
Duration (hr)
活動時間(小時) |
M04 | / | 1-3 | Day One 第一日: 1 Day Two 第二日: 0.5 |