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We have to create a sterile field before we perform experiments on microorganisms, this is to ensure no contamination of apparatus by other microorganisms during the operations. This video introduces…

This video introduces the method of preparing culture media and pouring agar plates, including autoclaving of agar solution, reagent bottles and Petri dishes. Besides the important practices for…

After performing microbiological experiments, it is important to sterilise the used apparatus and unwanted cultures properly before disposal, so that the environment would not be contaminated by the…

在進行微生物實驗之前，我們必須建立一個無菌區域；實驗過程中亦要確保各操作和工具不被細菌污染。本短片介紹無菌技術的細節，例如：如何建立無菌區域，如何消毒容器的開口、接種環及塗抺棒。

本短片介紹培養細菌的方法，包括使用無菌技術獲取單個菌落或極少量的液體培養物並分別轉移到新的瓊脂平板上或液體培養基中，以及利用光密度或濁度估算培養物中的細菌含量。

進行微生物實驗後，正確消毒及棄置使用過的設備和材料是十分重要的，以確保環境不受微生物污染。本短片介紹兩種常用的消毒方法：浸入濃度為10%的氯漂白劑溶液及高壓滅菌，並介紹如何製備及儲存氯漂白劑溶液，以及高壓滅菌的操作程序及其安全措施。

Hong Kong is a culturally diverse society. We had ample oppornutities to meet with people from a variety of ethnic and cultural backgrounds in our community. Parents' attitudes…

Miss Manners would like to tell a story about the Giant, a big man who was once very selfish, and three children, Joyce, Edmund and Steven. In the story, the Giant learns to be a good host. He writes…

1. 前鼻音韻母an en in ün及後鼻音韻母ang eng ing ong的發音部位、方法和特點 2. 包含上述複韻母的常用字詞 3. 有關中國民間故事的歷史、文化、文學知識

The programme is divided into 4 segments: 1. Light travels in straight line Sun, stars, flames and lamps give out light. Objects that give out light are called “luminous objects”.…

This programme is divisible into 5 segments as follows: 1. Escaping from a fire According to the information from the Fire Services Department, every fire accidents is a unique event. We should act…

介紹 (1) 海洋公園的四隻大熊貓的特徵和生活需要；(2) 大熊貓被列為瀕危物種的原因；(3) 中國政府的保育大熊貓措施； (4) 國家對香港市民的特殊愛護；和(5)港人對內地保育大熊貓事業的貢獻。

1. Draw others’ attention to people, things and situations, and describe them briefly 2. Make simple comparisons of various kinds using similes of the form “as…as”, e.g.,…

Steven has difficulty in answering telephone calls in English. But with the help of Miss Manners, Steven knows how to do it in the end. Would you like to learn together with him? In this programme,…

Daniel will be eight years old in two days’ time. He is very happy because he believes that being eight years old means he is “a big boy”. His sister, Sally, does not believe that…

Samuel and Agnes have to attend an interview with secondary school teachers in the hope of being admitted to the schools they want to study in. They want to succeed in the interview and therefore…