ELECTRICITY & MAGNETISM
ELECTRICITY The flow of electrons from atom to atom in a conductor substance.
MAGNETISM The property of a substance to attract some metals like iron. MAGNETS: .- NATURAL (magnetite)
ATOM: .- NEUTRONS .- PROTONS ( + ) .- ELECTRONS ( - )
MAGNETIC POLES:
STATIC ELECTRICITY:
.- NORTH POLE (N) .- SOUTH POLE (S)
.- ARTIFICIAL MAGNETS
.- OPPOSITE CHARGES
ATTRACT
.- SAME CHARGES
REPEL
MATERIALS: .- CONDUCTORS .- INSULATORS
ELECTRIC CIRCUIT: .- GENERATOR .- WIRES .- SWITCH .- RECEPTORS
ELECTRICITY EFFECTS: .- LIGHT .- HEAT .- ELECTROMAGNETISM .- SOUND .- MOVEMENT
.- OPPOSITE POLES .- SAME POLES
ATTRACT REPEL
MAGNETIC FIELD: Space surrounding a magnet where forces can be detected. EARTH’S MAGNETIC FIELD: Magnetic field generated by the core of the Earth. ELECTROMAGNET: Piece of iron surrounded by a wire that can become a magnet. .-ELECTRIC MOTOR: Converts electrical energy into movement. .- ELECTRIC GENERATOR: Converts movement into electrical energy.