國小自然3上ch2-2物質在水中溶解了

Quiz
•
Chemistry
•
3rd Grade
•
Medium
翰林出版國中自然 翰林出版國中自然
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
用量匙舀滿一匙的食鹽,再用玻棒刮平匙面上的食鹽,這樣的食鹽量是
一小匙
一大匙
一平匙
一湯匙
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
讀取量筒中的水量時,眼睛要如何正確讀取刻度?
眼睛往下看水面最低處
眼睛平視水面最低處
眼睛往上看水面最低處
都可以,只要方便讀取
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水量相同時,下面哪一個水溫的水可以溶解的食鹽最少?
25℃
40℃
60℃
75℃
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水溫相同時,砂糖在哪一種水量下的溶解量會最多?
100 毫升
150 毫升
200 毫升
250 毫升
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小怡想增加杯子裡糖水的甜度,但是再加入的砂糖攪拌許久都無法再溶解。用哪一種方法可以讓砂糖繼續溶解?
再加一平匙磨成細粉的砂糖
減少水量
提高水溫
冰到冰箱裡
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
桌上有兩杯等量的水,甲杯最多可以溶解 10 平匙的砂糖,乙杯最多可以溶解 5 平匙的食鹽,由此可以知道哪一杯水的水溫比較高?
甲杯
乙杯
兩杯水溫相同
無法判斷
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
小樂測量在固定的水量中,食鹽可以溶解的量時,發現加入第 4 平匙的食鹽,充分攪拌後,食鹽無法完全溶解,這杯水的食鹽溶解量要記為
3 平匙
4 平匙
5 平匙
6 平匙
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