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Science Junior High

(4)がわからないです!説明お願いします🙏🙏

4 次のI~Ⅳの化学変化について,あとの問いに答えなさい。 Ⅰ 酸化カルシウムに水を加えた。 かっせいたん ⅡI 鉄と活性炭の混合物に食塩水を加えた。 Ⅲ クエン酸と炭酸水素ナトリウムの混合物に水を数滴加えた。(2 Ⅳ 塩化アンモニウムと水酸化バリウムの混合物に水を加えた。 □(1) I~IVの化学変化では,どの場合も反応によって熱が出入りしている。 化学変化が起こるとき,温度が上がる反応を何というか。 □ (2) IVの化学変化で発生する気体は何か。 その化学式を書け。 □ (3) 反応によって熱を吸収し、温度が下がる化学変化はどれ からすべて選び, 番号で答えよ。 (4) お菓子のふくろの中にはお菓子が酸化しないで長持 ちするように右の図のような脱酸素剤が入れられてい ることがある。 □① 脱酸素剤は上のI~Ⅳのどの化学変化を利用して いるか。 PHOTOR 上の I~ⅣV か。 れませ O NOT EXT せん STEAT せん) たべられません DO NOT EAT ません DO NOT EAD たべられませんたべられません DO NOT EAT 4 (1) P □ ② 1② 脱酸素剤を入れると, お菓子が酸化しないのはなぜか。 簡単に書け。 (3 たべられません たべ DO NOT EATO せんた

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English Junior High

問2から問4までの解説お願いします🙏

Reiwa Center Sports & Culture Programs Weekday activities From July 20th to August 27th Activity 1: Volleyball Monday, Thursday, Friday A Time 9:00 12:00 (s Practice hitting and receiving balls, ereds 19v and play games after that. Activity 3: Baseball id Wednesday, Thursday, Friday >)< 木 Time 13:00 - 16:00 Fees *fee # 1 activity : Practice playing catch and hitting 10 tuod Ted s'ai sennil balls, and play games after that. hirm us to t i in os all 3 activities:v $8 Activity 2: Music Monday, Tuesday, Thursday k 木 Der E$3 doo naje Time 9:00 - 12:00 Luoy.ai sids 89 90198 Activity 4: Art Tuesday, Wednesday, Friday "Ki 2 won 17 oli Time 13:00 - 16:00 Thesteni ades nomel beded, Draw pictures and fold paper to make now Practice playing musical instruments, DA UOOL and play on stage. on llomis dolls or animals. 2 activities: wen ed od 4 activities: siq aidquq $10baladrok LAORI JUMOSO9* bas When you come with your friends, you will get a 20 percent discount each. sigle (Rivili You have to make a call ahead to make an *appointment. *appointment ** Jml 08 82001 $5 YOM ladandTim You have to come to the Reiwa Center 15 minutes before the activity. 08 mpmal gdad sw.bluoda glad w bluode 001 misel of snew I foaisen wen ve vo Call the Reiwa Center at 333-123-654310 sig umug smor teg spinave edini nieque.edi 12 On what day of the week do they have no activities at the Reiwa Center? Joodse mot emod ten Hoy Roig blad of 2 If you join Activity 1 and Activity 3, how much should you pay? UO 3 If you have three activities with your friends, how much should you pay? NO 4 If you join Activity 4, what time do you have to come to the Riewa Center? Tanginot rannch ob tad

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English Junior High

問2と問3と問4を教えてください!

14) 次の英文を読んで、あとの各問いに答えなさい。 Jack is writing an e-mail to Mike now. Hi, Mike. I arrived in Hokkaido two weeks ago. My school here is wonderful! I can't speak Japanese well yet, but I've made friends with many students at school. I read some books about Japan before I came here, but 5 school life are new to me. many things about Japanese "C For example, an interesting thing happened at lunch time on my first day at this school. After the fourth class finished, suddenly my classmates began to eat lunch in our classroom! And they put their lunch boxes on their own desks! I couldn't believe it. So I asked my friend, Takeshi, "Aren't your desks for studying?" He 10 looked a little surprised and answered, Of course they are, but we use them when we eat lunch, too. Why do you ask?" Another interesting thing happened after school that day. After we finished our class, some students started to clean the classroom. That also surprised me. Because our school in America has a "cleaning staff, students and teachers don't have 15 to clean. The next day, I cleaned my classroom with my classmates for the first time. After cleaning with them, I felt good. I think that it's good for students to clean the places that they use. 100点 *Lastly, we have our school trip for five days next month. You may also be interested in this because our school in America doesn't have such a long trip. I'm 20 very happy because I will go to Kyoto, Tokyo, and other places in Japan. Now my classmates and I often talk about our school trip. It is interesting to plan what places we will visit in Japan. I want to see some famous places and old Japanese buildings with my own eyes. I sometimes feel there are many differences between Japan and America. This 25 makes my life in Japan very exciting every day. I'll tell you about my school trip next time. () surprise cleaning staff ‡‚ (= janitor) [問1] 下線部 ① を, ほぼ意味が同じで次のように書きかえるとき, 1語が入るか答えなさい。 There are many things that I didn't lastly 最後に, 終わりに にはそれぞれどのような (15点) know about Japanese

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