5th EVS NCERT Chapter 12
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– Different uses of solar energy
– Finding oil and the process of extraction
– Products obtained from oil refining
– Impact of vehicles on the environment and fuel consumption
– Variations in petrol and diesel rates over time
– Consequences of oil depletion and alternative energy sources
– Importance of judicious use of petrol and diesel
– Common fuels used for cooking in households
– Discussion on practical ways to save oil 【4:0†source】【4:1†source】【4:2†source】【4:3†source】【4:4†source】.
In the year 1976, out of 100 households, how many used uple and wood as fuel?
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Which fuel was used the least in the year 1976?
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In 1976, LPG and kerosene were used in how many households, and how did this change by 1996?
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How much did the rate of petrol change from 2007 to 2014?
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What are the benefits of switching off the engine of vehicles at the red light on the road?
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