
二年级科学(9)地球🌏空气&风
Authored by LIM Moe
Science
2nd Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空气流动时会产生 ______ 。
热气
风
水蒸气
小水滴
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有关空气的叙述,正确的是
空气是生物的基本需求。
空气是有颜色的。
水里没有空气。
土壤里没有空气。
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪一张图片,是运用流动的空气的原理?(可超过一个答案)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,使风筝飞起来的因素是
风
水
人
线
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
风的好处是?
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
风的坏处是?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是风车,它是 _______
靠风力发电
靠水力发电
靠空气发电
靠热能发电
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