自然 國中 約4年以前

答案為什麼不能選A??(24題）

實驗活動,密度的測量 + 2,5 x 6 5.女 俊佑想測量某溶液的密度,他用量简盛裝液體,並以電子天平測量其質量,並將實 結果記錄如下表,試回答下列 21. ~ 24 : +5 溶液體積(L) 25 ( 30 35 40 45 量筒+溶液質量(g) 27.50 30.00 32.50 ) 35.00 ) 37.50 2,5 B)21. 請問此電子天平的最小刻度為何? 20号 0 ( (Alg (B) 0.1 g (C) 0,01 g (D) 1 mg (C)22.量筒的質量為多少公克? mind ( (A) 10.00 (B) 12.50 (C) 15.00 ( (D) 17.50 (A)23. 將上表中的數據填入方格紙,並以量筒和溶液總質量為縱軸,溶液體積為橫軸,試看 來的圖形會是下列何者? (A) (B (B) (C) ( (D) 15 LLLL 溶液的體積 溶液的體積 溶液的體積 溶液的體積 p D = 7 (5) 24.關於此液體密度大小的計算,下列的列式何者正確? D 30.00 g 30 mL (A) (D) 5 mL 30 mL 2.50 g 35 g YO 30.00 g 40 g 生活應用 冰涼的橘子汁 柚子剛回到家,外頭酷熱的大太陽讓他招架不住, 他走進廚房想找點冰涼的飲料喝,發現桌上擺了三杯 混合溶液,杯子外分別標示如右。已知冰塊的密度小 於橘子汁的密度,試回答下列25. ~ 27. 题: 甲杯 10g的冰塊+ 90g的橘子汁 乙杯 450g的冰塊+ 50g的橘子 內 30g的冰塊+ 70g的橘子汁 " (日)25. 三個杯子中,乙和丙杯都有冰塊尚未熔化,試問在三不混合溶液中,總質量最大为 D (A)甲 (B)乙 (C)丙 (D)一樣大 水泥路化成水,不会议 (2)26. 在三杯混合溶液中,平均密度之關係為下列何者? 分 (A)甲>丙>乙 (B)甲>乙>丙 D、橘子小说 (C)丙>> 中 梅子汁含量越多,密度也越大 雅莎躍一杯呢? (D)甲=乙=丙 高压但

自然 國中 5年以上以前

28求解！！！！

esting story abs Have you ever thought about why the sea is salty? Here's an why there isalot of salt in the sea. ial power ery special hand mill which had There was once aking who owned nd turn the Iteould_ 先 All one had to do was say the name of the thir mill. And 紀 Athi nm what one asked for would come out ofthe mill right away eal it. He ca io heard about this hand mill made up his mind to ste hand mill However, he Ifhe didr agood plan which worked, and excitedly, he gott ewould beq decided to steal a boat and left the country by s caught on the road a. He started to think aboutw The thief stole a boat, and he was how safe on t “Hahal Task for salt he should ask from the hand mill. Then a great idea hit hims and become the Everybody needs salt. After the mill makes alot ofsalt for me,Tllse ,”he shouted excitedty and turmew | richest man in the world!”he said to himselt fthe mill Seeing salt coming out ofthe mill, he was so happy that he started singng ane there was Salt all over the boat. Before the thiefknew it the boat W the thief anq the mitl dan' Soony as So | heavy with salt that it sank to the bottom ofthe med and made salt, Wwhicl And so his why the sea is salty | Since then, the mill has tumed and (A) make you the richest person in the world ou anything you want C) show you about your future (D) take you to any place you'd like to go 人@ 人Ge@ (GO 「 36 (A feltreally bad for the king 慚 B) didn't wantto share it With his family 0) was thinking about how to usSe 了 W ell (D) was afraid ofbeing found out DB Give me salt (A) Take me away (0) Please dont stop (D) Go faster (0@ had (D woulw

自然 國中 約7年以前

Emily made up her mind to study. 求翻譯❤️🙏