第一课

Unit 1第一单元

The Sun and the Shadow太阳与影子

1. What is the shadow of objects to look like in the sun?

 阳光下，物体的影子是什么样的?

2. How does the shadow of an object change over time in a day?

一天中，随着时间的推移，物体的影子是怎样变化的?

3. What are the requirements required for playing hand shadow games? Does solar energy help us keep time? … …Let's explore it together.

玩手影游戏需要哪些条件?太阳能帮助我们计时吗?......让我们一起探究吧。

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shadow影子

1．In the sun or light, we usually see our own shadow.

在阳光或灯光下，我们一般会看到自己的影子。

2．Do you know how the shadows form? 你知道影子是怎样形成的吗?

3．Material package材料包

4．Flashlights, string, paper screens, etc手电筒、细绳、纸屏等

Activity process活动过程

5．Find out where there is a shadow.找一找哪里有影子。

6．You can find shadows in the moonlight月光下也能找到影子

7．I'll outline your shadow.我来描出你的影子的轮廓。

8．How does the shadow of objects form? 物体的影子是怎样形成的?

Mind - based navigation思维导航

1. Turn off the flashlight, will there be rubber shadow on the paper screen?

关闭手电筒，纸屏上还会有橡皮的影子吗?

2. Take away the rubber, what will happen on the paper screen?

拿走橡皮，纸屏上会呈现什么现象?

3. What are the conditions for shadow formation?

影子形成的条件是什么?

4. How to change the shadow of an object?

怎样使物体的影子发生变化?

5. How will the shadow of the pencil change by raising the flashlight?

抬高手电筒，铅笔的的影子会怎样变化?

6. Take a look in a different direction.换个方向照一照。

7. Manual move, hand shadow just...手动一动，手的影子就......

Outreach activities拓展活动

8. Observe how the shadow of life affects us.观察生活中影子对我们有什么影响。