PPT-Magnets and Magnetism History

First magnets were lodestones rock with iron ore Found in Magnesia Greece about 2000 years ago Chinese used for navigation in 12 th century Possible common shapes bar horseshoe disk flat really anything. jlaborg Magnets Magnets Magnets Magnets Magnets and Electromagnets Electromagnets Electromagnets Electromagnets Electromagnets brPage 2br Thomas Jefferson National Accelerator Facility Office of Science Education httpeducationjlaborg Magnets and Ele p. erovskite. oxides. Phillip Barton. 05/28/10. MTRL 286G. Final Presentation. Comparison of 3d and 4d magnetism. 3d transition metals Fe, Co, and Ni are ferromagnetic, however no 4d or 5d are ferromagnetic (except reports of . LO: To know that magnetic materials are made of tiny magnets . describe and investigate . magnetising. iron by stroking. 1. How do you know if a material is magnetic or not?. Which of the following are magnetic?.. 1. . ALL magnets have NORTH and south poles.. 2. When freely suspended, all magnets point to the north- Directional property.. NORTH . seeking. pole. SOUTH . seeking. pole. Magnetic materials.. Materials that can be attracted by a magnet. Exploring Magnets. Magnets have many effects, sometimes surprisingly strong.. They have many uses including computer hard drives, loudspeakers, credit card strips, magnetic fasteners and compasses for navigation.. Intro video. Properties of Magnets. They attract ferromagnetic materials. Iron, nickel, cobalt. They have magnetic poles. Like poles repel. Opposite poles attract. Magnetic Poles. Magnetic Fields. The area . Discuss the nature of magnets, particularly with reference to poles.. Demonstrate the properties of magnets.. Demonstrate and discuss the magnetic effect of electric current.. Discuss the uses of electromagnets.. Section 1: Magnetism. Section 2: Electricity and Magnetism. Section 3: Producing Electric Current. Section 1: Magnetism. Magnetism. – the properties and interaction of . magnets. Magnetic field . – the . Kevin Rolfe- Education Representative, Salt River Project. Sarah Sleasman- 4. th. Grade teacher, . Excelencia. Elementary. Robin Inskeep- STEM Coach, . Tolleson. School District. Agenda . Introductions and logistics. With a partner, take the list of everyday objects provided by the teacher and identify those objects that have or use magnets.. http://www.first4magnets.com/magnets-in-the-house-i75. Essential question:. Magnetism from electricity. In 1820, Danish scientist . Hans . Christian . Oersted. discovered accidently that when electricity passed through a wire…a magnetic field was created. Which way would the compass needles point if we placed them around the wire?. material due to the arrangement of its atoms, particularly its electrons.. Lik. e poles will repel, opposite poles will attract.. Magnetic field lines describe the structure of magnetic fields in three dimensions.. Kevin Rolfe- Education Representative, Community Outreach. Claudine Truxal- Environmental Education Exchange. Robin Inskeep- STEM Coach, . Tolleson. Scott Greenhalgh- Science Chair, . Eduprize. Gilbert. VSVS Fall 2018. Why is the science in this lesson important?. Ferrofluids are currently being researched for utilization in precise satellite movements in space. The fluid is being shot through needles for extremely specific control. This research is currently in computer simulation stages..