四年級 第三段 TIMSS 練習四
Quiz
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Science
•
4th Grade
•
Practice Problem
•
Medium
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10 questions
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1.
DRAW QUESTION
15 mins • 1 pt
把下列代表植物或動物的號碼。適當地填入食物的圈子內。緊記箭號是從食物指向獵食者的。
1.猫頭鹰
2.玫瑰花
3.草
4.兔
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
一位女孩認為綠色植物要生長良好,就必須在土壤中加入砂。為了驗證她的想法,她用了兩盆植物。第一盆植物的裝置如圖。
下列哪一組可作為第二盆植物的裝置?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
某些化學反應會吸收能量,而某些則會放出能量。在燃燒煤炭及燃放煙花的化學反應中,何著會放出能量?
只有燃燒煤炭
只有燃放煙花
燃燒煤炭及燃放煙花兩者皆會
燃燒煤炭及燃放煙花兩者皆不會
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
產生酸雨的主因為何?
核能電廠產生的廢料
化學製造工廠排放的廢液
燃燒化石燃產生的氣體
噴霧器放出的氣體
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
如圖中所示,一枚蠟燭放置於鏡前的方格板上。蠟燭經鏡面反射後所成的像會在哪一點上出現?
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
燃燒化石燃料增加了大氣中的二氧化碳含量。二氧化碳大量增加,在地球上可能會引起甚麼效應?
較溫暖的天氣
較寒冷的天氣
相對濕度下降
增加大氣中的臭氧
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
在牧場上作無限制的放牧會產生嚴重的後果,引致?
地下水乾涸
污染增加
土壤流失
酸雨形成
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