Search results for: 'Ch'

Watch Later 3:05

By: t1706, Views: 700

墨魚、魷魚、章魚傻傻分不清?! 墨魚、魷魚、章魚、八爪魚、烏賊、花枝 ... ... 天呀! 到底牠們有甚麼特別? 又如何分辨牠們呢? 今次讓我們一起來分清楚吧!

Watch Later 5:22

By: t0803, Views: 1126

Chemistry tutotial-Ch1-1-Laboratory safety

Watch Later 2:23

By: t0605, Views: 1531

Chemistry tutorial-Ch29-1-Primary cells and secondary cells

Watch Later 6:04

By: t0605, Views: 1284

Chemistry tutorial-Ch29-2-Basic terms of chemical cells

Watch Later 8:15

By: t0605, Views: 1666

Chemistry tutorial-Ch29-3-Characteristics of chemical cells

Watch Later 2:55

By: t0605, Views: 1594

Chemistry tutorial-Ch29-4-Choosing chemical cells

Watch Later 2:39

By: t0605, Views: 1396

Chemistry tutorial-Ch29-5-Environmental impacts of chemical cells

Watch Later 5:54

By: t0803, Views: 1074

Chemistry tutorial-Ch1-2-Common used apparatus and observation

Watch Later 4:02

By: t0605, Views: 4225

Chemistry tutorial-Ch29-1-Building a simple chemical cell

Search Results