Page 174 - Science Class 06

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Wastes

• Some Common Wastes • Classifica on of Wastes

• Harmful Effects of Waste Accumula on • Common Methods of Waste Disposal
• Reduc on of Wastes

Materials which are discarded by us as Wastes are not generated only in house-
useless and unwanted are known as wastes. holds but also in schools, offices, industries,
Wastes include solid, liquid and gaseous hospitals, hotels and agricultural fields.
wastes. But in this chapter, you will study Let’s study about some common waste
about solid as well as liquid wastes and the materials:

ways of their proper disposal. You will also
Solid Wastes
study about some common waste materials
which can be reused or recycled. Solid wastes include the following:

SOME COMMON WASTES Food Wastes : Food wastes include fruit and
vegetable peels, le over food, residues of
A lot of wastes are produced in every
meat, fish, etc. These wastes are generated
household. Can you remember the types of
in homes, restaurant and hotels.
wastes generated in your home everyday?
Ash : Ash is produced from burning of food,
Write the wastes generated your home in
coal, coke, etc. Ash is produced mainly in
the following columns:
factories, thermal power plants, iron and
Solid Wastes Liquid Wastes steel industries.

____________ ____________

____________ ____________
____________ ____________

____________ ____________

Factories or Industries

174 Science-6