This week’s experiment is lots of fun. You should do it outside in a clear area. On some grass is probably best. Make sure that there are no people or animals nearby, as it’s very messy!
What you will need:
Two two-liter bottles of diet soda
PHOTO: CATHERINE THOMAS, TAIPEI TIMES
Mint-flavored Mentos
Salt
Sunglasses, or something else to protect your eyes
■ Take the Mentos out of the package. Keep the paper wrapper intact — you’re going to use this as a tube.
■ Hold the paper wrapper tube with one hand covering the bottom hole.
■ Tip the mentos into the tube.
■ Put on your eye protection.
■ Open a bottle of diet soda and place it on a flat surface, away from anything that shouldn’t get covered in soda.
■ Crouch next to the coke bottle. Don’t stand or look over the top of the bottle. Keep just your hands near the mouth of the bottle.
■ Get ready to move well back, quickly.
■ Carefully line up the tube with the mouth of the bottle.
■ Tip the Mentos in. Move back!!!!
■ Don’t forget to record your observations in your Science Journal.
(CATHERINE THOMAS, STAFF WRITER)
本週的實驗相當有趣，你可以在空曠的戶外進行實驗，最好是在草地上，確定附近沒有路人或是動物，因為這個實驗可能會弄得很髒！所需材料︰
兩瓶兩公升裝的低卡汽水
薄荷口味的曼陀珠
鹽
太陽眼鏡，或是其他可以保護眼睛的東西
■ 把曼陀珠從包裝中取出，保持包裝紙的完整──等一下要當成管子使用。
■ 拿好包裝紙捲管，用一隻手抵住下方開口。
■ 把曼陀珠傾斜放入紙管中。
■ 戴上你的護目鏡。
■ 打開一瓶低卡汽水，然後把它放置在平坦的地面上，遠離任何不希望被汽水噴到的東西。
■ 蹲在汽水瓶旁，不要站在瓶子上方，也不要從瓶口朝下看，只有你的手可以接近瓶口。
■ 準備好往後退，動作要快。
■ 小心地將紙管對準瓶口。
■ 把曼陀珠倒進去，然後退後！！！
■ 別忘了在《科學日誌》裡記下你的觀察。
（翻譯︰袁星塵）
Further Ideas 進階點子
What happens if you use salt instead of Mentos? How about if you use regular soda instead of diet soda? Would the experiment work if you were to use baking soda instead of Mentos? Is there a difference between different brands of soda? You could use small bottles of soda to see which works best, and then use a two-liter bottle for the best one.
如果你用鹽取代曼陀珠會怎麼樣？如果你用一般汽水取代低卡汽水又會怎樣呢？如果你用小蘇打粉取代曼陀珠，汽水也會噴出來嗎？使用不同牌子的汽水，實驗結果會不同嗎？你可以先用小罐的汽水來試試看哪種牌子效果最好，然後再準備一瓶這種效果最好的兩公升裝汽水來做實驗。
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