Magnetism Three Properties of Magnets 1. Made of iron and attract materials that contain iron 2....

3
Magnetism Three Properties of Magnets Three Properties of Magnets 1. 1. Made of iron and attract Made of iron and attract materials that contain iron materials that contain iron 2. 2. Attract and repel other Attract and repel other magnets magnets 3. 3. One part of a magnet will One part of a magnet will always point North if allowed always point North if allowed to swing freely to swing freely

Transcript of Magnetism Three Properties of Magnets 1. Made of iron and attract materials that contain iron 2....

Page 1: Magnetism Three Properties of Magnets 1. Made of iron and attract materials that contain iron 2. Attract and repel other magnets 3. One part of a magnet.

MagnetismMagnetism

Three Properties of MagnetsThree Properties of Magnets1.1.Made of iron and attract materials that Made of iron and attract materials that contain ironcontain iron2.2.Attract and repel other magnetsAttract and repel other magnets3.3.One part of a magnet will always point One part of a magnet will always point North if allowed to swing freelyNorth if allowed to swing freely

Three Properties of MagnetsThree Properties of Magnets1.1.Made of iron and attract materials that Made of iron and attract materials that contain ironcontain iron2.2.Attract and repel other magnetsAttract and repel other magnets3.3.One part of a magnet will always point One part of a magnet will always point North if allowed to swing freelyNorth if allowed to swing freely

Page 2: Magnetism Three Properties of Magnets 1. Made of iron and attract materials that contain iron 2. Attract and repel other magnets 3. One part of a magnet.

Magnetism VocabularyMagnetism Vocabulary

Permanent magnet-a magnet made of Permanent magnet-a magnet made of materials that keeps its magnetismmaterials that keeps its magnetism

Temporary magnet – a magnet that loses its Temporary magnet – a magnet that loses its magnetism easilymagnetism easily

Ferromagnetic material-a material that shows Ferromagnetic material-a material that shows strong magnetic effectsstrong magnetic effects

Magnetic field-the region around a magnet in Magnetic field-the region around a magnet in which magnetic forces act. which magnetic forces act.

Magnetic field lines – line that map out the Magnetic field lines – line that map out the magnetic field and they never cross.magnetic field and they never cross.

Permanent magnet-a magnet made of Permanent magnet-a magnet made of materials that keeps its magnetismmaterials that keeps its magnetism

Temporary magnet – a magnet that loses its Temporary magnet – a magnet that loses its magnetism easilymagnetism easily

Ferromagnetic material-a material that shows Ferromagnetic material-a material that shows strong magnetic effectsstrong magnetic effects

Magnetic field-the region around a magnet in Magnetic field-the region around a magnet in which magnetic forces act. which magnetic forces act.

Magnetic field lines – line that map out the Magnetic field lines – line that map out the magnetic field and they never cross.magnetic field and they never cross.

Page 3: Magnetism Three Properties of Magnets 1. Made of iron and attract materials that contain iron 2. Attract and repel other magnets 3. One part of a magnet.

Magnetic EarthMagnetic Earth

How can Earth be compared to a bar How can Earth be compared to a bar magnet?magnet?

Which pole does a compass needle Which pole does a compass needle point to?point to?

Answers:Answers: Earth and a bar magnet both have poles, magnetic fields, and Earth and a bar magnet both have poles, magnetic fields, and

contain ferromagnetic material (iron) within their core.contain ferromagnetic material (iron) within their core.

A compass needle points to the the South magnetic pole which A compass needle points to the the South magnetic pole which is near the geographic North pole.is near the geographic North pole.

How can Earth be compared to a bar How can Earth be compared to a bar magnet?magnet?

Which pole does a compass needle Which pole does a compass needle point to?point to?

Answers:Answers: Earth and a bar magnet both have poles, magnetic fields, and Earth and a bar magnet both have poles, magnetic fields, and

contain ferromagnetic material (iron) within their core.contain ferromagnetic material (iron) within their core.

A compass needle points to the the South magnetic pole which A compass needle points to the the South magnetic pole which is near the geographic North pole.is near the geographic North pole.