A Complete Collection of 100000 Whys
Fav十万个为什么
为什么物质会变化？
1、物质的变化是由于内部能量的转移或吸收，导致原子或分子的结构发生改变。
2、化学反应是物质变化的一种形式，通过化学键的断裂和形成，生成新的物质。
3、物理变化，如冰融化成水，是物质状态的变化，不改变其分子结构，但改变了其物理性质。
4、环境因素如温度、压力和光照可以影响物质的变化，改变其形态或性质。
5、生物过程如光合作用和呼吸作用也是物质变化的重要例子，涉及能量的转换和物质的合成与分解。
总之，物质的变化是能量转移、化学反应、物理状态改变、环境因素和生物过程共同作用的结果，是自然界的基本现象。
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