امتحان الوزارة الاسترشادي الكتروني - ساينس - امتحان ابريل - الصف الرابع- المنهج المصري- الترم الثاني- نموذج4

Electric wires are made of .............  

When you use the hand ball, the ....energy changed into sound energy

To keep playing with the toy car we have to ..............the batteries.

The airbag is made of ........................

Coal is a type of fuel, which is used in all the following purposes except ...........

..............is considered as the main resource of energy on the Erath ́s surface.

The car needs ..........to move.  

Ancient people use ......... as a form of fuel before discovering gasoline.

All the following are found deeply under the Earth ́s surface, except...........

When a piece of coal is burnt .......... energy is produced.

Kinetic energy is not affected by the ..........  

 Both hair dryer and electric water kettle produce ...........energy.

As energy transforms from one form to another, some of it is often lost as:

The produced ...... energy doesn't help the blender do its job

The airbag helps to ..........

When the car fuel completely runs out, then the car's ...... becomes zero.

In a battery of a toy car ........... energy changes into electrical energy.

All the following are found deeply under earth's surface except ......

Curiosity rover is designed to explore .........  

When you turn on a light bulb, the electrical energy travels through .......... until reaching the bulb.