Electricity, Magnetism and Electromagnetism

Electric currents passing through wires will produce a(n)

• solenoid

• magnet

• magnetic field

• insulator

Tags

NGSS.MS-PS2-5

What makes an electromagnet different than a permanent magnet.....select all that apply

• it can be turned on and off

• it does not need any electricity

• its strength can be increased and decreased

• its polarity can be reversed

Which way will NOT increase the strength of the magnetic field of an electromagent

• increasing the current

• using a stronger ferromagnetic core

• winding the coils closer together

• decreasing the number of loops

What type of materials are needed to create an electromagnet?

• battery, light bulb, plastic straw

• battery, coil of wire, iron core

• generator, iron core, switch

• switch, source of electricity, compass

An object through which electrons and heat can easily flow is called a(n) ​ (a)   ​ ; these tend to be ​ (b)   .

• conductor

• metals

• nonmetals

• insulator

• semiconductor

• metalloids

Tags

NGSS.MS-PS3-3

The transfer of negatively charged particles between materials is called (a)   .

• static electricity

• mechanical energy

• radiant energy

• thermal energy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An object through which electrons and heat do NOT easily flow is called a(n) ​ ​ ; ​ (a)   ; these tend to be ​ (b)   .

• insulator

• nonmetals

• semiconductor

• metalloids

• conductor

• metals

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

​ ​ (a)   is the best electrical conductor

• Copper Penny

• Plastic Tubing

• Glass Rod

• Cotton String

​​ (a)   = particles in the atom that have no charge

​ (b)   = circuit that has more than one pathway for current to travel through

(c)   = temporary magnet made by placing a piece of iron inside a current carrying coil of wire

• neutrons

• parallel

• electromagnet

• electrons

• protons

• series

• ferromagnet

Tags

NGSS.MS-PS1-1

A(n) ​ (a)   has a negative charge. A(n) ​ (b)   has a positive charge, and a(n) ​ (c)   has a neutral charge.

• electron

• proton

• neutron

• AC

• DC

• conductor

• insulator

• current

• voltage

Tags

NGSS.MS-PS2-3