نماذج امتحانات ساينس science نهائية - ثالثة اعدادي -ترم اول

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

1. If the uniform speed of a car is (90 km/h). This means that the car covers a distance equals…… metres in 40 sec.
   • أ. 1000
   • ب. 2000
   • ج. 4000
   • د. 2600
2. A light ray that falls on a plane mirror as in the figure it reflects, where the angle of reflection equals……..
   • أ. 30°
   • ب. 60°
   • ج. 90°
   • د. 120°
3. The person with normal vision sees the near objects clearly at a distance not less than.....
   • أ. 25 cm
   • ب. 10 m
   • ج. 6 m
   • د. 2 cm
4. The ratio between the final speed and the initial speed of an object moves at an accelerating motion is.............
   • أ. more than 1
   • ب. equals to zero
   • ج. equal to 1
   • د. less than 1
5. The earliest life forms began to appear on the Earth after….. million years from the Big Bang.
   • أ. 12000
   • ب. 17000
   • ج. 15000
   • د. 3000
6. Average speed. It is represent the regular speed by which the object moves. equal distances at same period time
   • أ. True
   • ب. False
7. A train starts to move at 6 O'clock in the morning. Then what is the time of arrival if it moves at speed of 40 Km/h to cover the distance of 200 Km
   • أ. 11 Am
   • ب. 5 Am
   • ج. 6 Am
8. The speed of a moving object relatively to a constant or a moving observer
   • أ. Relative speed
   • ب. regular speed
   • ج. irregular speed
   • د. velocity
9. The mirror, whose reflecting surface is a part of the inner surface the sphere.
   • أ. concave mirror
   • ب. convex mirror
10. An object was placed between a convex lens whose focal length is 6 cm. and a plane mirror.Complete the following statement: The image formed of the object by a plane mirror at a distance of .... ...... cm. from it's surface
    • أ. 12
    • ب. 6
    • ج. 24
    • د. 4
11. An object was placed between a convex lens whose focal length is 6 cm. and a plane mirror.Complete the following statement: The image formed of the object by a convex lens at a distance of ………..cm. from it's face
    • أ. 12
    • ب. 6
    • ج. 3
    • د. 24
12. An object was placed between a convex lens whose focal length is 6 cm. and a plane mirror.Complete the following statement: The distance between the image of the object which is formed by a convex lens and the image which is formed by a plane mirror equal… … cm
    • أ. 48
    • ب. 24
    • ج. 6
    • د. 12
13. The two factors which can be used to describe the motion of a body are the… .. and …
    • أ. distance , time
    • ب. distance , mass
    • ج. mass , time
14. The spindle fibers are formed in the plant cell from the condensing the cytoplasm in the 2 cell poles
    • أ. True
    • ب. False
15. Contact lenses can stick to eye iris and can be removed easily
    • أ. False
    • ب. True
16. The car which begins its movement from rest, moves at ..........
    • أ. uniform speed
    • ب. positive acceleration
    • ج. negative acceleration
17. ............... is the actual length of the path that a moving object takes from the starting point of movement to the end point
    • أ. Acceleration
    • ب. Distance
    • ج. Speed