Electricity and Electricity and magnetismmagnetism

Paula crespoPaula crespo gonzalez gonzalez

ElectricityElectricity Static electricity is a kind of electricity Static electricity is a kind of electricity

that occurs when an object accumalates that occurs when an object accumalates electrical charges.the electrical charges electrical charges.the electrical charges can be positive or negative. can be positive or negative.

* Neutral* Neutral

* Electrically charged* Electrically charged

Conducting and Conducting and insulating insulating materialsmaterials

We can classify materials into two We can classify materials into two groups:groups:

* Conducting materials* Conducting materials * Insulating materials* Insulating materials

Insulating Insulating materialsmaterials

Conducting Conducting materialsmaterials

Electric Electric materialsmaterials

Electric current is the movement of Electric current is the movement of electrical through a conducting material. electrical through a conducting material. The main parts of an electric circuit are:The main parts of an electric circuit are:

* Current generator * Current generator

* Conducting elements or wires* Conducting elements or wires

* Devices or receivers* Devices or receivers

Use of electric Use of electric currentcurrent

Electric current has many uses the Electric current has many uses the most common are :most common are :

* Light ,image and sound* Light ,image and sound

* Heat* Heat

* Movement* Movement

* Communication* Communication

Electric circuitsElectric circuits

In addition to these main parts , an In addition to these main parts , an electric circuit often has other compents:electric circuit often has other compents:

* Switch* Switch

* Electricity meter* Electricity meter

* protection devices or circuit breakers* protection devices or circuit breakers

Electric Electric circuitscircuits

Magnets Magnets Some materials can attract certain Some materials can attract certain

metals .this property is called metals .this property is called magnetism.There are two types of magnetism.There are two types of magnets :magnets :

* Natural.* Natural.

* Artificial.* Artificial.

Characteristic of Characteristic of magnetsmagnets

Use of Use of magnetismmagnetism

Magnetism have diferent use:Magnetism have diferent use:

* Orientation* Orientation

* Magnets* Magnets

* Information storage* Information storage

* Theft control* Theft control

* * IdentificationIdentification

End End By paula crespoBy paula crespo