
4上L1自然
Authored by 光明國小陳慶榕 光明國小陳慶榕
Science
4th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一氧化碳偵測警報器是應用聲音、光來達到娛樂效果的裝置。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
檢舉河川地開挖砂石是愛護水域環境的行為。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電池內部含有化學物質,長期不使用的電器,應將電池取出。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不常使用的乾電池最好從電器內取出,避免內部化學物質滲出,使電器損壞並造成環境汙染。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
比較岩石、沙和土壤的顆粒大小,其中岩石的顆粒最大,沙的顆粒最小。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
許多樂器都是屬於應用聲音的物品,例如三角鐵、小提琴等。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
沉水性水生植物的莖、葉通常比較粗硬挺直,才不會被水流沖斷。
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