第十六课

Does air occupy space16空气占据空间吗

Elephant skin, pencil, milk and juice all occupy space. So, does air take up space?象皮、铅笔、牛奶、果汁都占据空间。那么，空气占据空间吗?

Material wrapping paper, mineral water bottle, balloon, etc材料包纸、矿泉水瓶、气球等

Activity process活动过程

What do you find when you pour water quickly?●快速倒水，有什么发现?

Water doesn't flow easily into the bottle水不容易流进瓶内

I guess我猜想....

Thinking Guide思维导

1. 1. It is difficult for water to flow into the bottle. Who hinders the flow of water?水难以流进瓶内，是谁阻碍了水的流动?

2.  what should be done to make water flow into the bottle quickly?2.要使水很快地流进瓶里，应该怎么做?

3. 3.3. What does the above phenomenon show?3.上述现象说明什么?

Air always occupies a certain space.空气总是占据一定的空间。

Do the experiment of small space occupied by air●做空气占据空间小实验

Boli cup must go down directly, and then catch it vertically波璃杯一定要直接下去，再竖直捉起来

How can I blow the balloon up?怎样才能把气球吹起来?

Development activities拓展活动

Look for the phenomenon of air occupying space in life.找一找生活中空气占据空间的现象。