

地球 : 水
Presentation
•
Science
•
2nd Grade
•
Easy
CY Tiong
Used 6+ times
FREE Resource
5 Slides • 4 Questions
1
地球 : 水
地球上的水占了71%;陆地占了29%
2
雨/ 河流/ 水井/ 海/ 泉眼/ 湖泊/ 池塘
3
Multiple Choice
以下哪种不是天然水源?
4
水如何流动?
水从高处流向低处
5
Multiple Choice
哪一张图片显示水往低处流?
6
水蒸气=》 小水滴=》 云=》 雨
7
Multiple Select
以下哪个是水循环的过程之一?(选2项答案)
水受热会蒸发形成云和雨水
水受热会蒸发形成水蒸气
水蒸气遇冷凝聚成小水滴
水蒸气遇热凝聚成小水滴
8
滋生蚊虫/ 威胁生物的性命/ 闪电式水灾/ 水供不足/ 河水发臭
9
Poll
哪一些行动是你现在可以采取以节省用水?
地球 : 水
地球上的水占了71%;陆地占了29%
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