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بحث عن الطاقه للصف السادس الابتدائي بالانجليزي.

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Importance of Electricity in our daily life

:At Home 

Electricity is important to run your appliances at home efficiently. For example Lighting, TV, Refrigerator, AC, Fan, electric Oven, electric stoves, laptops and lots more.

:In Travelling

As electricity is an important part of our daily lives so is the travelling. Today a vast number of  travelling medium like the electric train, aeroplanes, electrical cars and even electric Rickshaw are running on electricity.

In Medical Facility

The medical sector is considering the place where you find continues flow of electricity 24*7*365. Lights,  X-ray machine, ECG and other devices work on electricity.

Chemical Energy

Humans began using chemical energy long before they understood much about it. Cave dwellers collected wood for their fires, unaware that stored chemical energy was released in the form of thermal energy when the wood burned. Coal also contains stored chemical energy that needs no further treatment to produce thermal energy as it burns.

Geothermal Energy

Volcanoes, hot springs, and geysers are indications of extremely hot materials that exist inside Earth’s crust. (You will learn more about volcanoes in Unit 5.) The hot material inside Earth that shoots or oozes out during a volcanic eruption can also produce hot water or even steam which moves through cracks in the rock. This boiling water or steam can be piped to a power plant at the surface. There it is channelled through a control system to turbines, and is transformed into electrical energy. Energy that we harness from Earth’s interior is called geothermal energy .

Solar Energy

When you hang a shirt out to dry on a sunny, breezy day, you are using solar energy (energy from the Sun) to dry your shirt. Solar energy is clean, and it is guaranteed not to run out. Unfortunately, there are periods of time when the Sun does not shine. Solar energy is not available through the night. Less solar energy is available in winter than in summer.

Wind energy

is the energy of moving air. Wind energy is a result of solar energy. As the Sun heats the air, the warmer air rises and cools off. Cooler air falls, creating a convection current. These currents, on a global basis, form our wind systems. Wind has more uses than simply drying your shirt. Scientists and engineers have been able to harness wind energy to produce electricity. The windmill is a turbine (a wheel with fan blades).