اختبار نماذج وزارة نهائي إلكتروني مع الاجابات -ساينس Science- الصف الرابع-نموذج 2 منهاج مصري - الفصل الثاني - اختبارات بصمة

Turbines convert kinetic energy into electrical energy.

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The flow of water can be controlled to generate electricity in dams.

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The power source for the electric fan is wind.

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Both modern wind turbines and old windmills are used to generate electricity.

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Electricity generated by wind turbines is transmitted through wind.

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Solar panels consist of a lot of plant cells.

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Electricity generated from water is called hydroelectricity.

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Safety equipment used to prevent car passengers from moving forward when the car stops suddenly.

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Mixing of water with oxygen gas produces carbonic acid.

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Windmills can do their job all the time as the wind never stops blowing.

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Looking directly at the sun is very dangerous.

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Solar panels consist of a lot of plant cells.

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The electricity produced by water is known as electromagnetic energy.

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A liquid that stores the chemical energy and it is extracted from the fuel to move the car

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Rivers store kinetic energy.

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The process in which two objects or more crash into each other and includes an energy transfer.

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The sun is made of hydrogen and oxygen gases.

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The energy produced when operating the gas oven is electrical energy.

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We use solar energy to preserve food.

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Plants need sunlight to grow.

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