Page 162 - Science Class 06
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Air and Water
• Water • Availability of Water for Human Beings
• Sources of Water • Drought
• Flood • Air
• Importance of Air • Other Components of Air and Their Importance
Natural resources refer to the things that They are known as natural resources
exist freely in nature for human use and because they are provided by the nature for
don’t necessarily need the ac on of the basis of life on the earth. It is from the
mankind for their genera on or produc on. natural resources that humans obtain and
The key aspect of natural resources is that produce the components and materials
they dictate the survival of humans and found within our environments. Every
other life forms on the earth. These ar ficial product is made from the natural
resources include land, rocks, forests resources. The materials may be used as
(vegeta on), water (ocean, lakes, streams, they occur naturally or may be transformed
seas and rivers), fossil fuel, animals (fish, in other forms.
wild life, and domes cated animals), WATER
minerals, sunlight and air.
Water is one of the most important natural
Some examples of natural resources are air resources. It has been gi ed to us by
which provides wind energy, coal which act nature. All the living beings need water to
as an input for electricity, forests which live.
provide paper, wood and various medicines,
Let’s study about it:
water which is used for drinking and
produc on of hydroelectric energy, sunlight v About 70 percent of our body weight is
that is used for drying clothes, photosy- due to water. It plays a vital role in our
nthesis and solar energy. body. It carries nutrients to different
parts of our body. It also helps in
162 Science-6
