امتحان

Mention the measuring unit of The mass

1

meter

2

litre

3

Kilogram o r gram

4

m/sec

تصحيح

The solar system consists of the Sun a nd ….. planets revolve around it.

1

10

2

7

3

8

4

9

تصحيح

Acceleration is considered one of one of ...... .... physical quantities

1

spiral

2

scalar

3

vecto r

تصحيح

The distance moved through a unit time.

1

speed

2

unifo r m acceleration

3

acceleration

تصحيح

The speed of a moving object relative to the observer is considered as.......

1

average

2

relative

3

regular

4

vecto r speed.

تصحيح

Concave lens diverges the light rays that falling on its surface.

1

True

2

Flase

تصحيح

In Telophase of mitosis cell division, two new separate cells are fo r med, each cell has ........... number of chromosomes of mother cell

1

diffrerent

2

mo r e

3

less

4

Same

تصحيح

............The total distance that a moving object covers divided by total time taken to cover this distance.

1

Regular speed

2

Average speed

3

Unifo r m speed

تصحيح

Yeast fungus reproduces asexually by……

1

budding

2

regeneration

3

spo r e.

4

binary fission.

تصحيح

A car starts to move fr om rest in straight line, its speed reaches 12 m/sec. after 4 sec. Calculate the acceleration of the car

1

9 m/sec2

2

6 m/sec2

3

3 m/sec2

تصحيح

العلوم الصف الثالث الاعدادى الترم الاول