1. Home
  2. Flashcards
  3. Preview

science chapter 8

  1. magnetism
    properties and interactions of magnets
  2. magnetic feild
    exerts force on other magnets and objects
  3. magnetic pole
    where the magnetic force exerted by the magnet is the strongest
  4. magnetic domain
    groups of atoms with aligned magnetic poles
  5. electromagnet
    temporary magnet made by wrapping a wire coil around an iron core
  6. solenoid
    a single wire wrapped into a cylindrical wire coil
  7. galvanometer
    a device that uses an electromagnet to measure electric current
  8. electric motor
    a device that changes electrical energy to mechanical energy
  9. electromagnetic induction
    the generation of a current by a changing magnetic field
  10. generator
    uses electromagnetic induction to transform mechanical energy to electrical energy
  11. turbine
    a large wheel that rotates when pushed by water wind or steam
  12. direct current (dc)
    flows in only one direction through a wire
  13. alternating current (ac)
    reverses the direction of the current in a regular pattern
  14. transformer
    a device that increases or decreases the voltage of an alternating current
Author
Kassi
ID
326510
Card Set
science chapter 8
Description
flashcards for magnetism unit in physical science
Updated

  1. Home
  2. Flashcards
  3. Preview