
南一國小自然4上ch3-1
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Easy
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
光在空氣中以什麼方式前進?
曲線
鋸齒線
直線
不一定
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如果把手電筒的光照向鏡子,我們可以預測會發生什麼?
鏡子形狀改變
光被鏡子吸收了
光被鏡子反射
鏡子破了
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
將一條光束射向鏡子,光束會有什麼變化?
沒有變化
發生反射
顏色改變
變得更亮
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
哪一項物品屬於光源?
打開的書包
合上的課本
發亮的燈泡
用過的鉛筆
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
小平用雷射光照射透明盒子,但是卻無法看到光的行進路徑。他應該怎樣改善做法,才能成功觀察到光束在盒子裡的情況?
用手把雷射光擋住
用不透明的紙盒把整個裝置蓋起來
在盒子裡裝入小石頭和沙子
用線香讓盒子裡充滿煙霧再照射
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
在下列哪一個環境中,無法看到物體?
日出時的海邊
中午的操場上
漆黑的地下室
日光燈打開後的教室裡
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
「點燃的蠟燭、用過的衛生紙、全新的木頭筷子、透明的塑膠尺」以上共有幾項物品是光源?
4項
3項
2項
1項
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