
能量-高年级

Quiz
•
Science
•
5th Grade
•
Medium

Jasmine Gao
Used 2+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一个物体拥有多少动能取决于
A. 它的温度
B. 它的速度
C. 它的大小
D. 它所处的高度
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪一项涉及将化学能转换成动能的过程?
A. 正在飞行的飞机
B. 电池把灯泡点亮
C. 正在跌落地上的杯子
D. 正在燃烧的蜡烛
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燃放爆竹并发生爆炸,以下哪一项是正确的能量转换过程?
A. 热能-化学能-声能
B. 化学能-热能-声能+动能+光能
C. 化学能-动能-声能
D. 热能-光能-生能
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
能量守恒是由哪一位科学家设计实验后证明的?日后也以这位科学家的名字作为能量的单位。
焦耳
瓦特
卡路里
牛顿
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电风扇的转动是什么能量之间的转换?
电能转换成动能
化学能转换成光能
化学能转换成风能
电能转换成势能
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干电池储存哪种能量?
A. 化学能
B. 电能
C. 动能
D. 势能
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
绿色植物借光合作用,能把太阳的光能转换成
A. 动能
B. 热能
C. 化学能
D. 电能
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