اختبار - ساينس - نماذج وزارة - الصف الرابع - الفصل الثاني - منهاج مصري - نموذج 4

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

1. ................When it increases, the stored potential energy increases.
   • أ. The object ́s height from the earth ́s surface.
   • ب. The velocity of a moving object.
   • ج. The object ́s mass.
2. ...........the potential energy equals zero.
   • أ. On the Earth ́s surface,
   • ب. The velocity of a moving object.
   • ج. The object ́s mass.
3. ...........Its light energy changes into chemical energy in plants.
   • أ. The sun
   • ب. The fan
   • ج. Benzene
4. ..........It is a liquid that can be used as a fuel for cars.
   • أ. Benzene
   • ب. The fan
   • ج. The sun
5. ............It is operated by electricity.
   • أ. The fan
   • ب. Benzene
   • ج. The sun
6. ............It is a liquid renewable resource of energy.
   • أ. Water
   • ب. Coal
   • ج. The sun
7. ...........It needs extreme heat and pressure to be formed from remains of dead plants.
   • أ. Coal
   • ب. Water
   • ج. The sun
8. ............It is the main resource of energy on the Erath ́s surface.
   • أ. The sun
   • ب. Coal
   • ج. Water
9. Non-renewable energy source ....
   • أ. Coal
   • ب. Water
   • ج. Wind turbine output
10. Renewable energy source.........
    • أ. Water
    • ب. Coal
    • ج. Wind turbine output
11. ..........Electrical energy
    • أ. Wind turbine output
    • ب. Water
    • ج. Coal
12. ............use to generate electricity from solar energy
    • أ. Solar panels
    • ب. Curved mirrors
    • ج. Windmills
13. ..........use in cooking food by converting solar energy into heat energy.
    • أ. Curved mirrors
    • ب. Windmills
    • ج. Solar panels
14. .........Convert kinetic energy into electrical energy.
    • أ. Windmills
    • ب. Curved mirrors
    • ج. Solar panels
15. ...........Convert kinetic energy into electrical energy
    • أ. Turbines
    • ب. Greenhouse
    • ج. Windmills
16. ...........It helps to grow crops that only grow in warm climates
    • أ. Greenhouse
    • ب. Windmills
    • ج. Turbines
17. ............It was used to grind grain
    • أ. Windmills
    • ب. Greenhouse
    • ج. Turbines
18. ............Energy does not destroy , but transforms from one form to another
    • أ. Law of conservation of energy
    • ب. Airbag
    • ج. Coal
19. ...........From the safety devices inside the cars
    • أ. Airbag
    • ب. Coal
    • ج. Windmills
20. ...........Non-renewable energy source
    • أ. Coal
    • ب. Airbag
    • ج. Greenhouse