Science Chapter 8 Quiz On Magnets

any material that has the ability to attract iron NOT IONS =)

• Dr. Seuss

• magnet

• magnetic field

• electromagnet

a coil of wire with a core attached to an electrical source

• Dr. Seuss' hat

• magnet

• magnetic field

• electromagnet

discovered that moving a magnet around or through a loop of wire produces electricity in the wire

• Sam I Am

• William Sturgeon

• Hans Christian Oersted

• Joseph Henry and Michael Faraday

discovered that current traveling through a wire produces a weak magnetic field in the live wire

• Sam I Am

• William Sturgeon

• Hans Christian Oersted

• Joseph Henry and Michael Faraday

discovered that adding a metal core to a coil of wire increases the magnetism

• Sam I Am

• William Sturgeon

• Hans Christian Oersted

• Joseph Henry and Michael Faraday

Where are magnetic forces on a magnet the strongest?

What do same poles of two magnets to do each other?

What do the opposite poles of two magnets do to each other?

What things affect the strength of an electromagnet?

• size of the core

• decreasing the number of coils

• shape of the core

What things affect the strength of an electromagnet?

• size of the core

• decreasing the number of coils

• shape of the core