PS3D -能源在化学过程和日常生活


In this video Paul Andersen explains how energy is used in chemical processes and everyday life. Students should understand that energy is neither created or destroyed but is converted. Most of the energy is delivered to our planet from the sun and is harvested through the process of photosynthesis.

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下一代科学标准物理科学学科核心理念3D -化学过程中的能量和日常生活

在这段视频中,保罗·安德森解释了能量是如何在化学过程和日常生活中使用的。学生应该明白,能量既不是创造的,也不是毁灭的,而是转化的。地球上的大部分能量来自太阳,并通过光合作用的过程获得。