
三年级科学_密度
Quiz
•
Science
•
3rd Grade
•
Easy
raphael Sia
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
图片中显示水和油。
你觉得油会不会浮在水面上?为什么?
会,因为油比水轻。
会,因为油的密度小于水。
不会,因为油会被水吸收。
不会,因为油的密度大于水。
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
一个物体的沉浮,和什么有关系?
物体的密度
物体的重量
物体的颜色
物体的形状
3.
DRAW QUESTION
2 mins • 3 pts
未剥皮的桔柑会浮在水面上。
请你画一画:如果剥掉皮,桔柑会在哪个位置?
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
渡轮是用铁做的交通工具,为什么它还能浮在水面上?
因为水变轻了
因为渡轮是空心的,会飞起来
因为渡轮是空心的,能装住很多空气
因为渡轮会喷水
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
小明在和怪兽战斗时,不小心掉进大海里啦!
你觉得以下哪一个魔法最有可能救他浮起来,不会沉下去?
泡泡魔法
烈火魔法
石化魔法
金属魔法
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
图中显示的是野外生活营,大家正在用轮胎和木头来制作木筏。
你认为他们为什么要选这两种材料来做船?
因为轮胎和木头很结实,不会坏
因为轮胎和木头很容易滑动
因为轮胎和木头是生活营常用材料
因为轮胎和木头的密度比水小
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
下列哪组物品都会浮在水面上?
石头&木塞
枯叶&冰块
橡皮&回形针
刀片&羽毛
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