自然地理是高中地理学科中的一部分，它主要探讨地球的自然环境、地理过程和地理现象。通过对自然地理的学习，学生可以了解地球的构成、气候现象、地形地貌、自然资源等方面的知识。下面是对自然地理知识点的总结。

1. 地球的构成

地球是由固体地壳、流动的岩石软流圈、固态的岩石软流圈、外核和内核组成的。地壳是地球最外层的部分，它由岩石和土壤组成。地壳的厚度不均匀，地壳的厚度在大陆和海洋地区存在着明显差异。

2. 气候现象

气候是指某一地区长期年平均下来的天气状况。气候现象的主要包括气温、降水、风和云等。气候现象是受到地球自转、公转、地形地貌、海洋、大气等因素的影响。

3. 地形地貌

地形地貌是地球表面各种地形特征的总称。地球表面的地形地貌非常复杂多样，可以分为山地、高原、平原、丘陵、盆地、河流和湖泊等不同的地形类型。

4. 自然资源

自然资源是指地球上存在的、供人类利用的各种自然物质和能量。自然资源包括能源资源、矿产资源、水资源、土地资源、植物资源和动物资源等。合理利用和保护自然资源是人类可持续发展的重要任务。

5. 环境保护

环境保护是指保护和改善人类生存环境，防止环境污染，维护生态平衡的一系列措施。环境保护涉及到大气、水、土壤等环境要素的保护，也包括对生物多样性的保护和资源的合理利用。

结语

通过对高中自然地理知识的学习，可以使学生了解地球的自然环境和地理现象，增加对自然界的认识和理解。同时，也能提高学生的环境保护意识，培养保护地球的责任感和行动力。

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