Are we at the end of the year yet? Chapter 18 Vocab Are we at the end of the year yet?

Magnet Any material that attracts iron

Magnetic Pole Two points with opposing magnetic qualities

Magnetic Force Spinning electrons that that cause objects to attract or repel

solenoid A wire coil with electricity running through it.

electromagnet A coil with a soft iron core that acts like a magnet when current is run through it.

Electric motor Converts electrical energy to mechanical energy

transformer Increases or decreases the voltage in alternating current

induction Creating a current in a circuit by changing the magnetic field

Electric generator Converts mechanical energy to electricity

galvonometer A device that measures current using an electromagnet

Oerstad Said that electric current produces a magnetic field

Faraday Learned an electric current could make a magnetic field

domain Groups of atoms in areas that can line up in some metals

maglev Trains that run with magnetic leviation

Ferromagnet A magnet made with iron