Further ideas 進階點子
Try twisting a skewer through the sides of a balloon instead of the ends. What happens? Now try putting the oil on the balloon, instead of on the skewer. Does the trick still work? Why do you think this is? Don't forget to record your observations in your Science Journal.
試著從側面來刺入氣球,而不是兩端,會發生什麼事呢?再試著把油塗在氣球上,而非長籤上,這把戲會有效嗎?你為何這麼認為?別忘了在《科學日誌》裡記下你的觀察。
Next week 下週預告
For next Sunday's experiment you will need the following special items: vinegar, detergent, salt, some cola, four glasses and barbecue tongs.
下週日的科學實驗,你需要特別準備以下的東西︰醋、清潔劑、鹽、一些可樂、四個玻璃杯、幾個烤肉鉗。



