How the sewage generated in your house or apartment is disposed off ?

How is emf generated in: Genertor.

How is emf generated in: Thermocouple.

How is emf generated in: A battery.

Observe the garbage collected in the dustbin of you classroom and make a list of the various material in it. Discuss with your teacher, how these materials can be properly disposed off. Can we do the same with the garbage generated in our house? Think about it.

Paragraph based questions. Read the paragraph and answer the following questions: Where is sewage in cities disposed off?

Nowadays, an electronic device - the cell phone - is very popular. From a mobile shop near your house, find out how they dispose off old and broken down cell phones.

How is emf generated in: Van de Graft generator.

How is emf generated in: Photo electric cell.

How urban waste that is accumulated in terms of tonnes may be disposed off?

Give diagrammatic representation of a modern landfill site and explain how waste it disposed off ?