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热起来了

热起来了. 议一议:. 我们觉得很冷时,有什么办法使我们的身体热起来?. 晒太阳、温泉、烤火 …… (外界物质给予热量). 吃食物 (外界物质吃进身体产生热量). 跑步等运动 (血液循环加快). 议一议:. 衣服能给我们增加热量吗 ?. 我们能设计一个实验来进行观测吗 ?. 衣服不能给我们身体提供热量 !. 多穿衣服身体怎么会觉得热起来了 ? 我们能解释其中的原因吗 ?.

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热起来了

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  1. 热起来了

  2. 议一议: 我们觉得很冷时,有什么办法使我们的身体热起来?

  3. 晒太阳、温泉、烤火……(外界物质给予热量)晒太阳、温泉、烤火……(外界物质给予热量) 吃食物 (外界物质吃进身体产生热量) 跑步等运动 (血液循环加快)

  4. 议一议: 衣服能给我们增加热量吗? 我们能设计一个实验来进行观测吗?

  5. 衣服不能给我们身体提供热量! 多穿衣服身体怎么会觉得热起来了? 我们能解释其中的原因吗?

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