歡迎閱讀《週日科學版》!我們每週日都要為你介紹可以在家中進行的有趣科學實驗。你可以在《科學日誌》中 記錄自己做了哪些活動,這樣就可以將所學的紀錄下來,比較這些結果,也許還可以利用它們來設計新的實驗!先看一下《科學日誌》的點子再開始吧。展開實驗之 前,記得要獲得大人許可喔!
This week we're going to make a paper dragonfly and a paper airplane. We're going to use these to demonstrate how helicopters, planes and even most birds are able to fly!
本週我們要來做紙竹蜻蜓和紙飛機,我們要利用這個機會來說明直昇機、飛機,甚至大多數鳥類的飛行原理!
What you will need:
Paper
Scissors
A paperclip
To make the paper airplane:
★ Take a look at the picture below. Fold a piece of paper in half lengthwise to make a center crease.
★ Unfold the paper. Fold the two upper corners of the paper to the center crease, and then fold the folded corners to the center crease.
PHOTO: MICHAEL KEARNEY, TAIPEI TIMES
★ Fold the paper in half again lengthwise, and then fold the two wings down.
To make the paper dragonfly:
★ Take a look at the picture to the right. You need to copy it on to a piece of paper. You can make it bigger if you like. Cut along the dotted lines and fold along the solid lines. First fold A and B down in different directions to make the paper dragonfly's blades. Next fold C and D over in opposite directions, and then fold E up and attach a paperclip to make a stable base.
Don't forget to record what happens in your Science Journal.
(MICHAEL KEARNEY, STAFF WRITER)
所需材料︰
紙
剪刀
迴紋針
紙飛機的製作步驟:
★ 參照下方圖示。將長方形紙「直立」對摺,中央會出現一條摺痕。
★ 把紙攤開,將上面兩個紙角摺向中央線,然後再將摺出來的折角摺向中央線。
★ 再把紙縱向對摺一次,然後把摺起的兩個機翼放下。
紙竹蜻蜓的製作步驟:
★ 參考右側圖示。你必須把圖示複印到一張紙上,你可以依個人喜好放大,然後沿著虛線剪開,再沿實線摺疊;先將A和B處朝不同方向摺下,做成紙竹蜻蜓的槳翼,然後將C和D處反摺交疊,最後將E處向上折起,再用一根迴紋針固定基底即可。
別忘了把結果記錄在《科學日誌》中。
(翻譯︰袁星塵)
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