We are blessed with natural resources. These are essential to meet the basic requirements of all forms of life on Earth. So, this chapter has been included by NCERT to provide knowledge on types of resources available on the Earth. On the other hand, this chapter deals with the topics like air, water, soil, biogeochemical cycle and the ozone layer, its importance and how humans are polluting them. Natural Resources explains why water is called a wonder liquid along with briefing the importance of rain. A clear explanation of water and nitrogen cycle are given in this chapter. Natural Resources explains the role of the atmosphere, the importance of air for living along with various experiments and facts. It explains why the earth is different from other planets like Venus and Mars.