五年级 科学 热

Quiz
•
Science
•
4th - 5th Grade
•
Medium
YEOH Moe
Used 159+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是摄氏度?
物质的冷热程度
测量物质的温度
测量物质温度的标准单位
温度计内的水银升降的变化
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一项说明那个不正确?
温度是指物质的冷热程度
人们不能准确地知道物质的温度
人们可以通过触觉或视觉来分辨物质的冷或热
物质吸收热能后会变冷,失去热能后会变热。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
铁桥的滚珠有什么作用?
让铁桥增加高度
让铁桥容易更换
让铁桥增加阔度
让铁桥在热胀冷缩时移动
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
烧杯里的液体的温度是多少?
48℃
54℃
56℃
58℃
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项正确说明上图中水的温度的变化形式?
上升、下降
下降、上升
上升、保持不变
保持不变、下降
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
乒乓球在十分钟后会有什么变化?
乒乓球会爆裂
乒乓球会沉在水里
乒乓球会恢复原状
乒乓球凹陷的部分变得严重
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么浸过热水后的瓶盖较容易开启?
瓶盖遇热后会膨胀
瓶盖遇热后会收缩
瓶盖遇热后会软化
瓶盖遇热后会失去热能
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