第三课

3 运动的形式

What are we doing when we run with a paper windmill? 当我们拿着纸风车奔跑时，我们在做什么这动?

What exercise is the paper wind rate doing?纸风率在做什么运动?

Material package材料包

1. Small pieces of wood, steel ruler, windmill, etc.小木块、钢尺、风车等

2. 活动过程

3. Let objects move and observe their form of motion.●让物体运动起来，观察它们的运动形式。

4. How do they move?它们是怎样运动的?

5. The movement form of the object has translation, vibration, rotation, etc. 物体的运动形式有平动、振动、转动等。

6. Observe what forms of movement the objects moving in life contain. ●观察生活中运动的物体包含哪些运动形式。

7. Helicopter flight...直升机飞行时...

8. Outreach activities拓展活动

9. Say what sports forms the bicycle contains.说一说运动的自行车包含哪些运动形式。