Page 31 - Summary 6 2025
P. 31

Delta Modern Language Schools
   Science department
   Grade 6
   1st term 2024- 2025

➢ If a wire wrapped around a metal core, the magnetic field produced by the
   flowing current is strengthened, so the metal core attracts the iron nails.

➢ Electricity and magnetism can work together.

                           Electricity

It is the form of energy that comes from a flow of electrons moving along a path.

    Electric current:

           It is the flow of electric charges along a closed path.

    Electric circuit:

               It is a path for transmitting an electric current.

 The component of electric circuit

 1-Metal wire.
 2-Electric power source (battery).
 3-A switch.
 4-An electric device.

The switch:

  The switch is a tool to close or open the electric circuit.
  A switch can be manual.
  A switch can be automatic such as the internal switch on a thermostat,
   which adjusts the temperature inside devices.

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