Magnetism Magnets… Produce _____________________________, invisible ______________________ that _________________ (push) or _____________________ (pull) some metals Metals affected by magnets include: __________________, ____________________, and ___________________ or alloys (mixtures) of those metals (__________________) What is a Magnetic Field? -A magnetic field is a line of _____________________ -Force enters from the _____________________________ -Force exits through the ____________________________

Types of Magnets Magnetic Attraction Electromagnet Permanent: Create their own magnetic field __________________________ Temporary: Produce a magnetic fields for a __________________________ Electromagnets: Produce a magnetic field when electricity travels through a wire coil Magnetic Attraction In magnets opposite poles attract and like poles repel _________________________  North North  __________________________ _________________________  South Electromagnet