Energy in day-to-day life Sources of energy SUMEDHA COLLEGE, 1 - - PowerPoint PPT Presentation
Energy in day-to-day life Sources of energy SUMEDHA COLLEGE, 1 Grade 06 2 nd term 3 rd week Miss. SACHITHRANI AMILA Assignment 4.4 1. Jeep petrol / diesel 2. Truck diesel 3. Gas cooker LP gas 4. Tractor diesel 5. Train
SUMEDHA COLLEGE, Grade 06 2nd term 3rd week 1
– petrol / diesel
– diesel
– coal
– kerosene *Fossil fuels are available in the countries such as Saudi Arabia, Russia, Iraq, Kuwait, Qatar, Indonesia, United States, Canada etc.
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Activity 4.3 Let’s make a saw dust stove/ kudu lipa Materials – a tin, PVC tube (4cm diameter and 30cm long), saw dust or rice bran Method – Observation – fire spreads due to the saw dust. Conclusion – Saw dust stove is used to cook food and boil water because saw dust (biomass)can be used as a fuel.
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*Plant or animal material which can be used as a fuel is called as biomass. Ex: Firewood coconut shells rotten vegetables saw dust Hay cow dung *Biomass also contain solar energy.
4 Biomass Bio gas Methane Bio oil Ethanol
Importance of wind energy 1. For transportation 2. To pump water 3. To lift an object 4. To operate the windmill 5. To grind grains using windmill 6. To generate electricity
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Wind power plants which are used to produce electricity. They can be found in Hambanthota, Puththalam. Wind mill to grind grains. 6
Activity 4.4 let’s use wind energy to do work
cardboard, threads, a small weight
a windy place.
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