Transcript Electricity & Magnetism by Mr. Reece Answer the following

ELECTRICITY & MAGNETISM
by Mr. Reece
ANSWER THE FOLLOWING “FILL IN THE BLANK”
An
unbroken path through which
negative charges can flow is a
____________.
circuit
ANSWER THE FOLLOWING…
A
resistorreduces the amount of
_________
electricity that flow through a
material.
ANSWER THE FOLLOWING…
A
material that does not allow
electricity to flow throughan
it
is______________.
insulator
ANSWER THE FOLLOWING…
A
material that allows electricity to
flow through it easily
is
a conductor
_______________.
ANSWER THE FOLLOWING…
A
magnetic field is caused when
__________
flows through a circuit.
a
current
ANSWER THE FOLLOWING…
Objects
that have the same number of
positive and negative charges are
neutral
____________.
ANSWER THE FOLLOWING…
An
object with nine – charges and
three + charges
is
negatively
_____________________.
charged
TRUE & FALSE
True
________
Every circuit has an
unbroken path and a power source.
TRUE & FALSE
True
________
A parallel circuit has more
than one path.
TRUE & FALSE
True
________
The continuous flow of
negative charges through a
material is called current
electricity.
TRUE & FALSE
False Static electricity is more
________
useful than current electricity.
TRUE & FALSE
True
________
Magnetism and electricity
are related.
TRUE & FALSE
True
________
Magnets have a north pole
and south pole.
TRUE & FALSE
False Objects that have the
________
same kind of charge attract each
other.
TRUE & FALSE
True
________
Electric power plants use
water, steam, and wind to make
generators work.
TRUE & FALSE
True
________
A magnet's magnetism is
strongest at the magnet’s poles.
TERMS TO KNOW
magnet
 ____________
poles
 ____________
- an object that attracts iron.
- the ends of a magnet.
magnetic field - the area around a
 __________________
magnet where the
force of a magnet
can act.
magnetis - the pushing or pulling force
caused by a magnet.
m
 ____________
TERMS TO KNOW
generator - produces electricity by using
 ____________
a coil of wire and a magnet.
electromagnet - a temporary magnet
 __________________
formed when electric current flows through
a wire coiled around a metal core.
COMPLETE
 Name
on way magnets can be used to
produce electricity.


By moving a magnet through a coil of wire
By moving a coil of wire through a magnetic
field
 Name
one thing that uses an
electromagnet.

Fire alarms, telephones, CD players,
computers, doorbells, cranes, maglev trains