Path made for electric current
circuit
end of a magnet
poles
What kind of charge does an
object have if there are more
negative particles than positive?
negative
How many paths does a series circuit have?
one
measurement of an objects extra positive or negative charges
charge
How many volts come out of a socket?
120 volts
Provides energy to move charges through a circuit
electric cell
arrangement of wire coiled around an iron core
electromagnet
How will two objects act
if they both have a positive
charge?
they will repel each other
How many paths does a parallel circuit have?
two or more
material that electric current can pass through easily
conductor
Why don't birds get shocked on a power line?
The don't make a complete circuit
material that electrons cannot easily pass through
insulator
space around a magnet where the force of a magnet acts
magnetic field
What will happen if one socket
is empty and a socket has a
bulb in a series circuit?
neither bulb will light
What would happen in a parallel circuit if one socket was empty?
The other bulbs would light up
material that slows but does not stop electric current
insulator
What is the name of the display of all the names earth's elements?
The Periodic Table of Elements
Circuit with one path for electric current
series circuit
object that attracts things made out of iron
magnet
What does copper wire do in a circuit?
conduct electricity
What kind of circuits do homes have?
Parallel circuits
charge that stays on an object
static charge
What is the name of magnets dug from the earth?
magnetite or lodestone
space around an object where electric forces occur
electric field
Flow of electric charges
current
Tell a way to control the strength of an electromagment
turn it off and on, add coils, add more power
What does an electromagnet do inside a motors?
causes motion
circuit with more than one path for electric current
parallel circuit
What two magnets make a compass work?
The magnetic needle of the compass and the magnetic poles of the Earth