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

We can use some forms of fuel such as ..........and ...........in warming houses.

............ is example of biofuel, while ...............is example of fossil fuel.

To operate an electric mixer we use ............. energy.

The energy that is produced from the battery and used to operate a toy car is ........... energy.

The mobile phone converts chemical energy stored in its batteries into .......energy and ............. energy.

In any energy chain, some of the energy is lost in the form of ...........

The big truck needs .... engine. 

The energy can be .......... from one form to another.

When the car stops suddenly, the passengers move .........

Coal and ............can be used in electric power stations to generate electricity.

As a result of hitting the ball with the bat, the direction of the ball will ...............

Engineers try to reduce the weight of the solar vehicles to increase its ........

During a car crash, the ......... is inflated with a gas

The speed of .......... vehicles is slower than that of normal vehicles.

When objects crash with each other, then .......transfers between them.

When the mass of a moving object decreases, its kinetic energy............at the same speed.

In electric heater, .......... Energy is considered as an input energy , while thermal energy is considered as .......... energy.

The electric lamp converts ........ energy into light and heat energy.

When you ride a bicycle, the ........energy stored in your body is converted into .......... energy which causes the bicycle to move.

The energies that are produced from the washing machine are .....energy and .............energy.