MAGNETS What are Magnets A magnet is a

MAGNETS

What are Magnets? A magnet is a piece of iron that can attract, or pull, things with iron in them. n When you put a magnet next to something made of iron, the magnet attracts it. n

Where Can Magnets Be Found? n Some magnets are found in nature. n Lodestone is a kind of magnet found in the ground.

How Magnets Are the Same and Different? All magnets attract objects made of iron. n Magnets may be round or square, big or small, straight or curved. n Magnets may be different in strength, or how strongly they pull. n

How Are Magnets Used? n People use different kinds of magnets to hold things closed, lift things, and help televisions and electric motors work.

What Are the Poles of a Magnet? A magnet has two poles. n Poles are two places on a magnet where the pull is the strongest. n Each magnet has a north pole and a south pole. n

POLES North and south poles attract each other. n Two north poles repel, or push each other away. n Two south poles repel each other. n

What is Magnetic Force? A magnet’s pull is called magnetic force. n Magnetic force can pass through paper, cloth, water, glass, and air. n Magnetic force is strongest close to a magnet. n

How Can You Make a Magnet? A magnet can magnetize, or give magnetic force to, things it attracts. n You can use a magnet to magnetize an object made of iron. n You can make a magnet by stroking an object made of iron with a magnet. n

Vocabulary Review n n n n A piece of iron that pulls things made of iron is called a _____. A magnet is strongest at its _____. All magnets have _______ in them. _______ means to push something away. How strongly a magnet pulls is called its ____. Two _____ poles will repel each other. Two _____ poles will attract each other. Poles n Strength n Different Repel Iron Magnet Like