History of Magnetism

MAGNETISM is a natural force that causes magnets to attract or repel certain, ______

LODESTONE is a black metallic ore that has the properties of attracting ______

THALES OF MILETUS, a Greek philosopher in the 6th century BC, said to be the first to observe this property of ______

MAGNESIA is a place of a large deposit of lodestones, later named for the ______

ROMAN LUCRETIUS, who lived in 100BC, tried to explain magnetism through his ______ atomic theory

ARABIAN NIGHTS is a story of a ship that approached an island of ______ rock

MAGNES is a story about a shepherd when he was leading his flock of sheep on the slopes of Mt.Ida where his staff can’t move at the mountain because of ______

REPULSION is when like poles ______

ATTRACTION is when unlike poles ______

INDUCED MAGNETISM is temporary magnetism acquired by a magnetic material when it is placed near a ______

Prof. Hans Christian Ørsted discovers “an electric current is surrounded by a ______ field”

the motion of the ______ field

HANS CHRISTIAN ØRSTED = “a current carrying wire produces a ______ field”

“a moving wire through a ______ field could cause an electric current”

“a current produced by a ______ field is an induced current”

ELECTROMAGNETIC INDUCTION = the production of voltage due to a change in the ______ field discovered by Michael Faraday in the 1830's

GENERATOR = a device that converts mechanical energy to electrical energy DC GENERATOR = battery operated ______

AC GENERATOR = plugged operated ______, also known as alternating current generator

LIGHT = also known as EM wave, does not need medium/molecule to ______

PHOTONS = these are bundles of wave energy, basic unit that makes up the ______, the energy of a photon is given by the equation $E=hf$