Scientists Make a Strong and Weak Glue

Scientists Make a Strong and Weak Glue What’s glue? It’s sticky stuff. It holds things together. Glue is useful. When we make something, sometimes we glue things together. When we break something, sometimes we can glue the parts together again. 膠水很實用。我們做東西用得到，或是打破東西要黏起來，都用得到。 But there’s one bad thing about glue. It’s hard to take things apart again. 但是膠水有個缺點，一旦把東西黏在一起就很難再分開。 Scientists in Japan made a new glue. It’s strong.* *AND it lets us take things apart! We can use it again and again too. 日本科學家發明了一種新的膠水。它很黏，但是要拆開也可以，就能反複使用。 This glue uses two lights*. *One light makes it strong. Then it holds things together very well.The other light makes it weak. Then we can take things apart. 這個膠水利用兩種光，一種可以讓膠水變黏，另一種可以讓它失去黏性。 Sometimes we can use these things again. Sometimes our city can recycle them! This glue helps us waste less. 這樣我們就能重複利用東西，也可以回收，減少浪費。 This glue makes changes easy too. Maybe you glued your favorite singer’s picture onto a wall. But now you have a new favorite! Use one light. Goodbye, old favorite! Use the other light. Hello, new favorite! 這種黏膠讓人容易變來變去。你之前可能在牆上貼了某一位歌星的照片，但現在喜歡別的歌手。那就用光照射。再見，舊照片。然後用另外一種光照射，新照片，你好。 We can change this glue from strong to weak and weak to strong. This helps us to waste less. That’s great for the earth! ------------------------------------------------------------------------------------------------------------ Vocabulary 神奇的黏膠，該黏的時候黏，也可以讓它不黏。 1. take apart (金屬聲)拆開 Are you taking that old toy apart? 你在拆那個舊玩具? Yeah, I’d like to see if I can make something new. 我想看能不能做成新東西。 2. together 一起 But I like that plane very much! 但是我很喜歡那架飛機! I’m sorry. I didn’t know that. 真抱歉，我不知道。 I can put it back together again. 我可以再把它黏回去。 3. glue 膠水、黏 No, you can’t! It won’t be the same. 你做不到，它就是不一樣了。 Yes it will. 是一樣的。 All I need to do is glue the wings back.我只需要把翅膀黏回去。 4. strong 堅固的 You see, this glue is strong. 你看，這個膠水很牢。 I don’t think it can hold the wings for long. 我覺得它沒有辦法黏住翅膀多久。 Do you like to take things apart? take apart拆開 together一起 glue膠水 strong堅固的 -----------------------------------------------------------------------------------Quiz 1. What does glue do? a. Holds things together b. Takes things apart c. Recycles things 2. Who made the new glue in Japan? a. Teachers b. Glue companies c. Scientists 3. What makes the new glue strong? a. A light b. Water c. A picture Answers: 1. a 2. c 3. a -- Hosting provided by SoundOn