Tb19015 Blog
Monday, February 27, 2006
五下牛頓自然物質與熱實驗
今天上午下牛頓自然,用保特瓶600CC,用雙手加熱保特瓶使瓶蓋跳動,也可用十元硬幣代替,但是瓶蓋效果比較好,另外做三角錐瓶套上氣球空氣膨脹實驗用冰水及熱水效果都很好,另外用金屬墊片烤熱通過鐵釘的實驗,要注意鐵釘剛好使墊片通過,若太大則實驗作不出來
posted by tb19015 at
11:13 AM
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