Media
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air pressure
Today, we will show a video about air pressure. First,we prepare a cup,some water and a piece of paper. Next,we put a paper on top of the cup. Than,we turn down the cup immediately. Finally,the pap...
- from: s100385
- Hits: 141
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is project - bouncing balls
1C Lau Hiiu Ming (7) 1C Law Kwan Ho (8) 1C Yu Man Yuen (16)
- from: hermanlau
- Hits: 146
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Regalation
1C(4) Cheng Tak Leung -->2B(5) 1C(6) Lam Ho Kwan -->2E(5) 1c(11) Li Sung Ki -->2A(12)
- from: timcheng123
- Hits: 168
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Baking Soda and Coca Cola
2C Leung Ho Yin 2D Lam Wing Chak 2D Tse Siu Kwan 2E Wong Ka Cheung
- from: alantse123
- Hits: 175
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