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Magnetism Lesson 1

Learn about magnetic poles, forces, and fields. Discover how like poles repel and unlike poles attract. Explore the concept of a magnetic field and its three-dimensional nature. Unravel the mysteries of Earth's magnetic field resembling a gigantic bar magnet.

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Magnetism Lesson 1

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  1. Magnetism Lesson 1 Forces and Fields

  2. A. Magnetic Poles-in a bar magnet, the two ends that are labeled North- South.

  3. B. The end pointing north is called the North-seeking pole or north pole. This is usually the end painted red on a bar magnet.

  4. Like poles repel (N-N) or (S-S)Unlike poles attract (N-S)

  5. D. As poles move closer together, the force between them is stronger.

  6. E. No matter how many times you break a magnet, you always have a complete magnet with a north pole and a south pole.

  7. F. Magnetic Field-the area around the magnet where the magnetic force acts. This isn’t flat. It is three-dimensional.

  8. G. The Earth has an imaginary bar magnet running along the Earth’s axis. Earth has a magnetic field that resembles the field of a gigantic bar magnet.

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