امتحان - ساينس - الوزارة الاسترشادي - امتحان ابريل - الترم الثاني - الصف الرابع - المنهج المصري - نموذج3

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

1. As a result of hitting the ball with the bat, the direction of the ball will ...............
   • أ. change to opposite direction
   • ب. change to same direction
   • ج. be stop
2. During a car crash, the ......... is inflated with a gas
   • أ. airbag
   • ب. seatbuilt
   • ج. wrecking ball
3. Engineers try to reduce the weight of the solar vehicles to increase its ........
   • أ. speed
   • ب. mass
   • ج. direction
4. The speed of .......... vehicles is slower than that of normal vehicles.
   • أ. solar
   • ب. electrical
   • ج. sun
5. When the mass of a moving object decreases, its kinetic energy............at the same speed.
   • أ. decrease
   • ب. increase
6. To operate an electric mixer we use ............. energy.
   • أ. electrical
   • ب. thermal
   • ج. kinetic
7. The energy can be .......... from one form to another.
   • أ. converted
   • ب. increases
   • ج. decreases
8. In any energy chain, some of the energy is lost in the form of ...........
   • أ. heat
   • ب. sound
   • ج. solar
9. The energy that is produced from the battery and used to operate a toy car is ........... energy.
   • أ. electrical
   • ب. thermal
   • ج. kinetic
10. The electric lamp converts ........ energy into light and heat energy.
    • أ. electrical
    • ب. thermal
    • ج. solar
11. In electric heater, .......... Energy is considered as an input energy , while thermal energy is considered as .......... energy.
    • أ. electrical , output
    • ب. electrical , input
    • ج. thermal , output
12. The mobile phone converts chemical energy stored in its batteries into .......energy and ............. energy.
    • أ. light , sound
    • ب. sound, light
    • ج. heat, light
13. When you ride a bicycle, the ........energy stored in your body is converted into .......... energy which causes the bicycle to move.
    • أ. chemical , kinetic
    • ب. chemical , thermal
    • ج. thermal , kinetic
14. The energies that are produced from the washing machine are .....energy and .............energy.
    • أ. kinetick , sound
    • ب. chemical, sound
    • ج. kinetick , chemical
15. Coal and ............can be used in electric power stations to generate electricity.
    • أ. oil
    • ب. wood
    • ج. water
16. We can use some forms of fuel such as ..........and ...........in warming houses.
    • أ. charcoal , wood
    • ب. oil , wood
    • ج. charcoal , oil
17. ............ is example of biofuel, while ...............is example of fossil fuel.
    • أ. wood, coal
    • ب. coal , wood
    • ج. oil , wood
18. When the car stops suddenly, the passengers move .........
    • أ. forward
    • ب. backward
19. When objects crash with each other, then .......transfers between them.
    • أ. energy
    • ب. distance
20. The big truck needs .... engine.
    • أ. big
    • ب. small