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.
For 4th. Grade
In The Ancient Greek Times
It has two power poles called North and South Poles
Like a magnets this poles could attract or repelThe Earth is a giant magnet
There are bar magnets and shoe magnets
Horse shoe are the stronger magnetsMagnetism is a Form of Energy