1. Magnetism Vocabulary
Mr. Ahearn
2010

2. Device that uses magnetic field to turn kinetic energy into eletrical
Generator
Device that uses magnetic field to turn kinetic energy into eletrical

3. Transformer
Device used to increase or decrease the voltage of an alternating current

4. Region of space affected by Earth’s magnetic feild
Magnetosphere
Region of space affected by Earth’s magnetic feild

5. Surrounds a magnet and exerts a magnetic force on other magnets
Magnetic Field
Surrounds a magnet and exerts a magnetic force on other magnets

6. Magnet created by wrapping a current carrying wire around an iron core
Electromagnet
Magnet created by wrapping a current carrying wire around an iron core

7. Group of atoms who's fields point in the same direction
Magnetic Domain
Group of atoms who's fields point in the same direction

8. Electric current that changes its direction repeatedly
Alternating Current
Electric current that changes its direction repeatedly

9. Aurora
Light display that occurs when charged particles trapped in the magnetosphere collide with Earths atmosphere above the poles

10. Device that transforms electrical energy into kinetic energy
Motor
Device that transforms electrical energy into kinetic energy

11. Electric current that only flows in one direction
Direct Current
Electric current that only flows in one direction