五下自然第三單元複習

Quiz
•
Science
•
1st - 5th Grade
•
Medium
jackie yang
Used 16+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
為了減少實驗的誤差,科學家在實驗室常用什麼來配製水溶液?
①砂糖水
②石灰水
③純水
④食鹽水
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
配製不同水溶液時,下列哪一項做法不正確?
①量取一平匙的物質加入水中
②物質加入水中後要均勻攪拌
③攪拌棒可以直接重複使用於不同的水溶液中
④配置完成時貼上名稱標籤或編號
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
檸檬汁不包含哪一種特性?
①聞起來有酸酸的氣味
②看起來透光有點淡黃色
③喝起來酸酸的
④會發出嗡嗡的聲音
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
將石灰水塗在藍色石蕊試紙上,會呈現什麼顏色呢?
①變紫色
②變綠色
③藍色(不變色)
④變紅色
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪兩種水溶液混合後,混合液一定會使紫色高麗菜汁呈現藍色系?
①砂糖水+醋
②檸檬酸+醋
③檸檬酸+石灰水
④食鹽水+小蘇打水
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
小明要找關於石蕊試紙發明的相關故事,他應該到圖書館要找哪一個科學家的故事呢?
①惠更斯
②愛迪生
③牛頓
④波以耳
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
月兒用紫色高麗菜汁測試甲溶液,水溶液呈現藍色;用紫色高麗菜汁測試乙溶液,水溶液呈現綠色,最後她將甲、乙兩種溶液混合,用紅色石蕊試紙測試,可能會得到什麼顏色?
①紅色(不變色)
②變黃色
③變紫色
④變藍色
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