اختبار - ساينس - نماذج وزارة - الصف الرابع - الفصل الثاني - منهاج مصري - نموذج 2

هذه معاينة نصية للأسئلة للاطّلاع والمراجعة فقط. لخوض الاختبار تفاعليًّا مع تصحيح آلي ونتيجة فورية، اضغط زر «ابدأ الاختبار» أدناه.

1. Windmills can do their job all the time as the wind never stops blowing.
   • أ. F
   • ب. T
2. Both modern wind turbines and old windmills are used to generate electricity.
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   • ب. F
3. Looking directly at the sun is very dangerous.
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   • ب. F
4. Electricity generated by wind turbines is transmitted through wind.
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   • ب. F
5. The flow of water can be controlled to generate electricity in dams.
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   • ب. F
6. Turbines convert kinetic energy into electrical energy.
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7. Mixing of water with oxygen gas produces carbonic acid.
   • أ. F
   • ب. T
8. The power source for the electric fan is wind.
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   • ب. T
9. Plants need sunlight to grow.
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   • ب. F
10. We use solar energy to preserve food.
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    • ب. T
11. Electricity generated from water is called hydroelectricity.
    • أ. T
    • ب. F
12. Rivers store kinetic energy.
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    • ب. T
13. The sun is made of hydrogen and oxygen gases.
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    • ب. T
14. Solar panels consist of a lot of plant cells.
    • أ. F
    • ب. T
15. Solar panels consist of a lot of plant cells.
    • أ. T
    • ب. F
16. The electricity produced by water is known as electromagnetic energy.
    • أ. F
    • ب. T
17. The energy produced when operating the gas oven is electrical energy.
    • أ. F
    • ب. T
18. The process in which two objects or more crash into each other and includes an energy transfer.
    • أ. collission
    • ب. energy
    • ج. power
19. A liquid that stores the chemical energy and it is extracted from the fuel to move the car
    • أ. gasoline
    • ب. water
    • ج. milk
20. Safety equipment used to prevent car passengers from moving forward when the car stops suddenly.
    • أ. seat belt
    • ب. air bag
    • ج. wreckinf ball