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理科 中学生

至急!!!! このそれぞれ(ア.デンプン溶液と唾液イ.デンプン溶液と水)のヨウ素液に対する反応、ベネジクト液に対する反応⇒色の変化 (1)ヨウ素液の反応からわかること (2)ベネジクト液の反応からわかること (3)1.2から唾液はデンプンに対してどんな働きをするか 教えてい... 続きを読む

1 デンプン溶液に だ液を加える。 ① 試験管にデンプン溶液5mLと うすめただ液2mLを入れてよく 混ぜ合わせる。 ②試験管①にデンプン溶液5mLと 水2mLを入れてよく混ぜ合わせ る。 ③試験管⑦を36℃くらいの水 に入れて10分間おく。 ④試験管の溶液, 試験管の溶液 をそれぞれ2本の試験管に分ける。 2 ヨウ素液を入れる。 ⑦-1, -1の試験管にそれ ぞれヨウ素液を数滴加えて色の 1238 変化を見る。 ヨウ素液 8-1 → デンプン溶液 ( 5mL) と だ液 ( 2mL) 2-2 -2 PUTER 3 ベネジクト液を入れて 加熱する。 ヒトの体温に近い 36°Cくらいの水に 10分間入れる。 ⑦-2, -2の試験管にそれぞれベネ ジクト液を数滴加え、沸騰石を入れる。 試験管を振りながら加熱して、 色の変 化を見る。 ・ベネジクト液 -2 沸騰石 デンプン溶液 ( 5mL) と 水 (2mL) 注意 -2 ●試験管を軽 く振りながら加熱す る。 ●液体が飛び出すご とがあるので、試 管の口を人のいる方 向へ向けない。 Fr

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英語 中学生

英語で物語系がテスト範囲で出るのですが、どうやって勉強するのがいいのでしょう?勉強の仕方を教えてください🙏

Read て内容 読んだ 内容を思 の名〕 liə] Sukh's White Horse Once upon a time, a poor boy lived in Mongolia. His name was Sukh. One day, Sukh found a baby white horse. He took great care of the horse. The white horse grew up. One year, spring, the ruler was having a horse race. He said, "The winner of the race will marry my daughter." Sukh wanted to take part in the race with his white horse.。 He got on his horse and went to the town. On the day of the race, a lot of people came together. The race began. The horses ran fast. And in the lead ... was the white horse. "The white horse came in first! Who is the winner?" the ruler cried. Q. What did Sukh take part in? 2 TIPS for Reading 出来事のつながり 出来事のつながりや、 原因と結果に気をつけ て読むと、物語を理解 する助けになる。 5 5 But the winner was just a poor boy. When the ruler saw Sukh, he said, "Here is some silver. Leave that white horse here and go home!" But Sukh said, "I won't sell my horse!" Q. New Words "What! Stupid boy! Men, beat him up!" The men beat and kicked Sukh. The ruler took the white horse away from him. The ruler was happy. He wanted to show the white horse to many people. One day, he had a party. He tried to ride on the horse. Then it happened. The white horse leaped up and the ruler fell off him. The white horse ran away. The ruler said, "Quick. Catch him. If you can't catch him, shoot him!" silver (silvər] leave [li:v] stupid [stjú:pid] man (mæn] → men [mén] beat [bi:t] kick(ed) (kik(t)] happen(ed) [hæpan(d)] What happened when the ruler tried to ride on the horse? His men shot arrows at the white horse, but the white horse kept on running. That night, when Sukh was in bed, there came a sound from outside. He leaped up and ran out. He found his white horse there. The horse was injured. "White horse, my dear white horse, please don't die!" Sukh tried to help his horse, but the horse was too tired. The next day, he died. leap(ed) [li:p(t)] fall [f5:1)→ fell quick [kwik] shoot [fú:t] →shot [fát] arrow(s) la outside injured die [dáil go hom ▪take ~ ride on fall of run a keep

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