Electrons can move from one object to another

Plastic rule (equal protons) +Wool (equal electrons) = Electrically neutral

ELECTRICALLY CHARGED OBJECTS

DEFINITION

ELECTRICALLY CHARGED OBJECTS ATTRACT OR REPEL DEPENDING ON THEIR CHARGED.

THERE IS A FORCE OF ATRACCTION BETWEEN OBJECS THAT HAVE GOT OPPOSITE ELECTRIC CHARGES.

THERE IS A FORCE OF REPULSION BETWEEN OBJECS THAT HAVE GOT IDENTICAL ELECTRIC CHARGES.

+ - - -

CONDUCTORS INSULATORS

Caries electic current easelyDont caries electric current easely

It can´t be generated in power plants .

1.A power plant generates electricity.

2.A system of power lines distributes the energy as an electric current.

3.We consume the electricity in our homes and industries.

RESISTOR

Is a device that changes electricityPOWER SOURCE

Provides energy in the form of electricity

SWITCH

Is a device that closes and opens a circuit

CONDUCTOR

Such as a metal wire, conducts the electricity along the circuit path

switch

Magnets attracts iron and some metals

Natural magnets

Artificial magnets

attract

repel

North Pole

South Pole

A compass is a device with a magnetic needle that always point north pole.

Compass

Why?

?

Alba Rojas Lucía Sánchez

Sara López

Ahmed Aboulas

Alberto Muñoz

Javier de la Torre