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English Junior High

いの答えと考え方を教えてください。

5 10 15 20 25 30 The Olympics were held in Tokyo in 1964. A few years ago before the Olympics, Japan had a big problem. It was a problem of communication. Many foreign people didn't visit Japan, and we had only, Japanese signs. For example, words like "i" or "" were on toilet doors. These signs were not understood by many foreign people. Japanese people at that time needed to make signs in many different languages for foreign people. But when they put many words on one sign, the "letters became too small. They could not easily read the sign. They had to think of ) signs for foreign people. Mr. Masaru Katsumi, a leader of a design team for the Olympics, had a great idea. everyone /to/ was easy / thought / understand he forit pictures. He wanted to make picture signs. These signs are called *pictograms and are used in many places now. Picture 1 Picture 2 Picture 3 Look at these pictures. Picture 1 shows a shower. Picture 2, shows a toilet. Picture 3 shows a restaurant. Foreign people can easily understand what each picture shows. They had to make pictograms which everyone could understand without any trouble. When they started to make them, one of the pictograms was a shower. Many Japanese people didn't know about showers at that time and didn't have one at home. One of the designers didn't even know the word "shower." One officer had to explain how to use it with a photo of a shower. The designer made the pictograms through the officer's words. With a lot of trouble and hard work, twelve designers needed three months and made pictograms for the Olympics. When the last pictogram was finished, Mr. Katsumi said to all the designers, "You did a great job, but this work is not for us. We did it for all Japanese people. Please write your names on this paper." The paper said that they'd like to give up the *copyright to the pictograms. They wrote their names on the paper. They gave up the copyright. One of the designers said, "Mr. Katsumi hopes that many people in many places will use the pictograms in the future. Money from the copyright is not important to Mr. Katsumi. He is proud that he is one of the members who worked for the Tokyo Olympics." In 2020, we are going to have the Olympics in Tokyo. Our life will change a lot. What kinds of new signs or pictograms will we see around us? (E) letter pictogram ピクトグラム(絵文字) designer www. デザイナー officer 役人 copyright 著作権

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Science Junior High

理科の問題です‼️‼️ 提出しないと行けないプリントで 教えてください‼️⚠️

結びついた物質を離す反応 ~思考表現編~ ノートプリント No.26 <小話> マグネシウムの酸化について メモ 酸素がくっついたマグネシウムということで 酸化マグネシウムと呼ばれる <1>エタノールを綿にかけ、酸化銅の周りの綿を燃やす。 しばらく燃やした後、火を消さず アルミホイルをかぶせて密閉した。冷めてからアルミを取ると、黒い酸化銅の一部が 赤褐色の銅になっていた。 この原理を考えて、 自分の言葉で説明してみよう。 <2>湯気やお湯に硫黄を含む、 温泉に行った。 温泉から出た後、銀でできたシルバーアクセ が変色してしまっていた。 この原理を考えてみよう。 また、シルバーを元の輝きに戻す方法 を考えてみよう。 (できるだけアクセサリーに傷をつけない形で) <3> 【調べ】自由研究の定番、黒ずんだ10円玉を調味料できれいな色に戻す実験。 酸化銅を 銅にしている (還元している)のだが、 調味料の中の何という成分が還元しているのだろう? <4> 【動画から】 ドライアイスの中で、マグネシウムを燃焼させた。 動画の実験結果から、 どんな ことが言えるだろう。 酸素が結びつきたい相手を考えてみよう。

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