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1. Density

Measure the mass M of the cork in a beam balance (or its weight from a spring balance, the weight so found...and find the volume of water displaced (V2). Hence, volume of cork = (V1 - V2). Density of cork = mass/volume = M/(V1...

2. F.1 Science Question(density)

1. cork floats on water, so it won't cause any displacement of water 2. use a balance which has 2 sides, put the cork at one side ans put something which causes displacement on the other side...

分類：科學及數學 > 數學 2011年02月12日

3. 水松木用乜做? 同點做架?

水松( cork )是由 Cork Oat tree的樹皮而來. 此樹中型size, 是整年長春(evergreen)植物. 而樹皮由 Cork Oat tree切割出來, 經製作成水松墊, 水松地板, 壁佈板, 木塞......等, 而...

In order to move a cork floating on water, a student proposes two methods. ... cork . 1. Shoot the cork using a water gun. 這種方法可以使水松塞( cork )移動，因為水槍射水時，水的動能會轉成水松塞的動能，當水橫向射向水松塞...

5. 邊度可以買餐酒開瓶器air cork -extractor?

介紹一間專做wine accessories嘅公司比你，冇記錯佢地係中環有Showroom，不過佢地做D高價貨，都有D貴． http://www.screwpullexport.com/ 要平可以去屈記，E記，榮記等大型Wine Shop睇睇．

分類：飲食 > 非酒精飲品 2007年10月11日

6. beetroot experiment

use cork borer to collect some beet root cylindersuse razor blade to cut beet rate cylinders...

分類：科學及數學 > 生物學 2009年12月03日

7. 防止開香檳時噴出的方法

...the corkof a bottle of sparkling wine, untwist and take off the muzzle, cover the cork with a clean cork , and gently twist the cork from the bottle. The tips...

分類：飲食 > 非酒精飲品 2009年10月02日

8. F1 Science

Measure the volume of the weight first. Tie the weight and cork together and lower them into the water in the measuring cylinder...

9. 關於「摩打」

... Needed: Horseshoe magnet Cork (3 or 4 inches long) Plastic knitting.../motor1.jpeg 13. Give the cork a spin with your hand. The motor should now spin...

10. 如何量度一塊浮水木塞的體積?

After sticking fast on hot wax in beaker,tied on a thread,pour enough water on the surface of liquid- cork top.The cork was cut away threading by reading the difference in volume=the volume of the cork in Experiment.

分類：科學及數學 > 數學 2016年03月06日