小牛顿科学班
2014-03-27 00:00:00   来源:余杭区良渚镇一小雷少航   评论:0 点击:

上个星期天傍晚,我参加了小牛顿科学班。那里的东西可真好玩。上课了,老师说这节课要做没有轮子的刷刷车
上个星期天傍晚,我参加了小牛顿科学班。那里的东西可真好玩。
    上课了,老师说这节课要做没有轮子的刷刷车,我们都显得很惊讶——车子都是有轮子的

,这个刷刷车怎么就没有轮子呢?老师先给我们讲了搭刷刷车所需的材料是橡皮筋、棉棒、小

刷子、马达、电池盒、电池、鳄鱼夹和小贴纸,然后把这些材料发给我们,让我们自己动手制

作刷刷车。我先从工具袋中拿出海绵胶,把马达和电池盒粘在小刷子上,再在电池盒里装上电

池;接着把电池盒上的一根电线穿到鳄鱼夹里,另一根穿到时马达上,然后把棉棒两头的棉花

拔掉,一头装到马达上,另一头缠上橡皮筋;最后把小贴纸贴在马达上,终于做好了我的刷刷

车。快要下课时,老师让我们把刷刷车放到地上,把鳄鱼夹夹在马达上,举行一场“刷刷车大

赛”。结果是我赢了,我兴奋不已。下课后,我们还参观了蜘蛛车,我想让它挑战椅子的靠背

,结果它刚爬到一半就掉了下来,摔了个“六脚朝天”。
    上小牛顿科学班真让人高兴!

 

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