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Electromagnetism and magnetism
- Magnetism
  Discover how invisible magnetic fields can be revealed using iron filings or a compass.
- Electromagnetism
  Find out how an electromagnet uses an electrical current to generate a magnetic field.
- Magnets and magnetic materials
  Certain materials feel a magnetic force. A magnetic force can be either attraction or repulsion.
- How to make a magnetic compass
  Learn how to make a magnetic compass.