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人教版一起一年级上册《starter》优秀教学课件
What makes motorbike run?
motor
Oh..I need a fan.......
Jack is so hot, so the motorbike is faster and faster……
what's the meaning of this traffic sign?
The motorbike runs in a high speed, it's dangerous.
what's the speed?
I just need my fan......
speed
Cosplay
Discussion
Today we turn the fan around successfully, and we can control it with temperature sensor, it’s good for the environment.
今天我们成功地完成了温控风扇的制作，并学会了通过温度传感器来控制风扇的开关。温控风扇的出现对于节能环保，保护我们的地球家园十分有益。
Homework
Review the new words.
Think about: How to use other sensors to make the fan turn around?