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Magnets Presentation

Magnets Presentation. For 4th. Grade. Vocabulary. Magnetic Field: an invisible force that rounds a magnet. Magnetite: A stone that has magnetic properties Magnetic Poles: The magnetic force located in the oposite ends of a magnetic object. The Use of Magnets.

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Magnets Presentation

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  1. Magnets Presentation For 4th. Grade

  2. Vocabulary • Magnetic Field: an invisible force that rounds a magnet. • Magnetite: A stone that has magnetic properties • Magnetic Poles: The magnetic force located in the oposite ends of a magnetic object

  3. The Use of Magnets In The Ancient Greek Times

  4. Magnets Use in Our Society • Magnets can be natural • There are also electromagnets • The last ones are used in some industries • They can be used also in transportation.

  5. Our planet is a magnet It has two power poles called North and South Poles Like a magnets this poles could attract or repel The Earth is a giant magnet

  6. Magnets are objects that attract things made of metal. There are bar magnets and shoe magnets Horse shoe are the stronger magnets Magnetism is a Form of Energy

  7. History about magnets • The ancient Greeks discover and use the first magnets • They rubbed a piece of a magnetite with an amber cloth and produced magnetic fields.

  8. Earth is a Giant Magnet • Deep inside earth there is a core of metal. • Liquid iron inside makes earth magnetic fields. • Earth has North and South Magnetic Poles as magnets does

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