Mr. K Y Poon
Teacher of Chemistry and Science
St. Paul's School (Lam Tin)

Disclaimer: All demonstrations in my YouTube channel are for teaching purpose. They are intended for and should only be performed by certified chemistry teachers in a safe laboratory setting with the presence of professional laboratory technicians.

This is my new YouTube channel. Subscribe to this one for my brand new experiment videos and educational vlogs. The previous one, containing 454 educational videos, will no longer be in use from June 2022.

Volcano from the decomposition of ammonium dichromate
6:19
Volcano from the decomposition of ammonium dichromate
Butane rocket experiment
0:49
Butane rocket experiment
Making ice cream in science laboratory
8:09
Making ice cream in science laboratory
Visualising complete and incomplete combustion
2:03
Visualising complete and incomplete combustion
Launching a hydrogen fuelled rocket in the laboratory
2:35
Launching a hydrogen fuelled rocket in the laboratory
Visualising the power of atmospheric pressure
4:11
Visualising the power of atmospheric pressure
【頒獎典禮】創校54年來首次獲獎! 為藍祿爭光嘅釔鋇銅氧化物超導體! 3000蚊嘅支票有幾大張? ♥️ 小朋友
12:38
【頒獎典禮】創校54年來首次獲獎! 為藍祿爭光嘅釔鋇銅氧化物超導體! 3000蚊嘅支票有幾大張? ♥️ 小朋友
【大會現場報捷】靠釔鋇銅氧化物超導體出線三甲! 正式總決賽暨公開展覽! 究竟好嘅嘢要預備幾耐? ♥️ 小朋友
10:18
【大會現場報捷】靠釔鋇銅氧化物超導體出線三甲! 正式總決賽暨公開展覽! 究竟好嘅嘢要預備幾耐? ♥️ 小朋友
【殿堂級科學盛事】捱咗一年半終於入到總決賽! 釔鋇銅氧化物超導體? 賽前準備究竟係點樣? ♥️ 小朋友
3:12
【殿堂級科學盛事】捱咗一年半終於入到總決賽! 釔鋇銅氧化物超導體? 賽前準備究竟係點樣? ♥️ 小朋友
Sink or float? - Blueberries
0:39
Sink or float? - Blueberries
Sink or float? - Strawberry, apple, banana and blueberry
1:16
Sink or float? - Strawberry, apple, banana and blueberry
Preparing colourless beverage by simple distillation
5:41
Preparing colourless beverage by simple distillation
Inheritance of ABO blood type
13:02
Inheritance of ABO blood type
Studying inheritance in humans using pedigree diagrams
17:26
Studying inheritance in humans using pedigree diagrams
Self-sintered microscale yttrium barium copper oxide (YBCO) superconductor
5:35
Self-sintered microscale yttrium barium copper oxide (YBCO) superconductor
Starting a fire with potassium permanganate
2:58
Starting a fire with potassium permanganate
Innocent gummy bear screaming on fire
3:08
Innocent gummy bear screaming on fire
【淘寶開箱】掌握流量密碼? 重覆買同一樣嘢? 唔想洗碗可以點? 銀離子? 聚氯乙烯? 有機溶劑? 爆炸鹽? ♥️ 小朋友
22:13
【淘寶開箱】掌握流量密碼? 重覆買同一樣嘢? 唔想洗碗可以點? 銀離子? 聚氯乙烯? 有機溶劑? 爆炸鹽? ♥️ 小朋友
Catalytic cracking of medicinal paraffin and testing the products
10:18
Catalytic cracking of medicinal paraffin and testing the products
Sink or float? - Watermelon and grape
0:38
Sink or float? - Watermelon and grape
Glaze colour chemistry of Qing dynasty pottery in the Hong Kong Palace Museum
2:51
Glaze colour chemistry of Qing dynasty pottery in the Hong Kong Palace Museum
Combustion of alcohol followed by water fountain in a 5 gallon jug
0:25
Combustion of alcohol followed by water fountain in a 5 gallon jug
Water fountain experiment
0:19
Water fountain experiment
Ammonia fountain
0:34
Ammonia fountain
Brief introduction of the use of smartphone microscope (Cantonese)
4:13
Brief introduction of the use of smartphone microscope (Cantonese)
Flame test of vapourised metal cations
1:19
Flame test of vapourised metal cations
Implosion of hot aluminium can in ice water
0:50
Implosion of hot aluminium can in ice water
Combustion of isopropyl alcohol in a water jug
2:25
Combustion of isopropyl alcohol in a water jug
Burning calcium in carbon dioxide
2:34
Burning calcium in carbon dioxide
Launching a sky lantern in the science laboratory
0:58
Launching a sky lantern in the science laboratory