Liquid timer 液體鐘
液體鐘是由與水不同密度的有色液體做計時, 當把鐘倒轉., 有色液體珠便一粒一粒掉下並沿著樽內螺旋梯子向下走, 樣子十分有趣, 每次所有液體球掉下總時間約15分鐘. 此儀器用作講解不同密度液體的混合特性及人們可利用此特性去製造出很多有用的日常用品. 同時亦可用作解釋位能及動能的關係轉變
Green liquid bead moving from top reservoir to bottom one by one need about 15 minutes , it is an interesting way to count the time and show to student there are another method to record time during the past. Dimension : 55 x 125mm Dia x Height
Item No: KE 4429