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Physical Science S3P2. Students will investigate magnets and how they affect other magnets and common objects. a. Investigate to find common objects that are attracted to magnets. b. Investigate how magnets attract and repel each other. Main Concepts About Magnets -The ends of a magnet are where the magnetic effect is the strongest. These are called “poles.” Each magnet has 2 poles – 1 north, 1 south. -Magnets attract things made of nickel, iron, cobalt, or steel (NICS). -Magnets can attract magnetic objects through most materials. -Magnets come in different sizes and strengths. -Magnetite is a mineral containing iron and oxygen. It is attracted to magnets. -Lodestone is a type of magnetite that is a natural magnet. Electromagnet Permanent Magnets Temporary Magnets ckc Vocabulary magnet: an object that is attracted to nickel, iron, cobalt, and steel magnetic field: invisible area around a magnet that has the power to attract magnetic material attract: to pull toward (poles that are different attract each other) repel: to push away (poles that are alike repel each other) magnetic force: the power of a magnet to push or pull other magnetic material poles: one of two ends of a magnet; where a magnet’s force is the strongest electromagnets: magnets that must have electricity to work temporary magnet: an object that does not keep its magnetism generator: a machine that uses a magnet to make electricity CHALLENGE WORDS neodymium magnet: an extremely strong and rare earth magnet domains: small areas throughout a ferromagnetic material that line up to create magnetism ckc