Handout in Magnetism

Topics: Magnet, Magnetic field, Magnetism Pages: 3 (719 words) Published: January 21, 2013
Physical Science
Handout in Magnetism
Grades 9-12
Prepared by: Ashwen Kolin G. Pabellano

Prior Activities
Before using the handout, you must first accomplish the following activities: Motivation
Reminders and tasks in using the handout:
This will serve as your reference during the lesson.
In your activity, you will need this handout to gather information you can use to present the topic to be given to you. Write and present your findings using the materials provided. Objectives
By the end of the activity, students are expected to achieve/accomplish the following with the aid of this handout: Understand how magnetism works with a brief background of its history. Give a presentation regarding their findings.

Reflect on the importance of magnetism in daily life.
Features of the handout
* Outline organizer
* Readable content
* Ideal font style and size
* Reliable source of information
* Schema and pictures

Brief history of magnetism

How magnetism works
Magnetism is the force where objects are attracted or repelled to one another. Usually these objects are metals such as iron. Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic). These include iron, nickel, cobalt, some alloys of rare earth metals, and some naturally occurring minerals such as lodestone. Although ferromagnetic (and ferrimagnetic) materials are the only ones attracted to a magnet strongly enough to be commonly considered magnetic, all other substances respond weakly to a magnetic field, by one of several other types of magnetism. Every magnet has two poles.

This is where most of its magnetic strength is most powerful. These poles are called north and south or north-seeking and south seeking poles.

The poles are called this as when a magnet is hung or suspended the magnet lines...

References: http://www.mewdn.org/Physics/Magnetism.html
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