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Final Jeopardy
Static
Electricity
Circuits
Transformers
& Generators
Magnets
Definitions
10 Point
10 Point
10 Point
10 Point
10 Point
20 Points
20 Points
20 Points
20 Points
20 Points
30 Points
30 Points
30 Points
30 Points
30 Points
40 Points
40 Points
40 Points
40 Points
40 Points
50 Points
50 Points
50 Points
50 Points
50 Points
An electrical
charge that has
accumulated in an
object
Static electricity
A large discharge
of static electricity
is known as?
Lightning
What causes
sparks b/w
clothing when
taking them out of
the dryer?
Static discharge
What length of
time does a static
discharge last?
Fraction of a
second
What causes a
shock on a dry
summer day when
touching a
doorknob?
Extra electrons from
carpet to shoes through
your body b/c skin is a
conductor to the
doorknob which is also a
conductor
What type of
circuit is this?
series
What type of
circuit is this?
Parallel
A circuit that allows
only one route for an
electric current to
follow
series
A circuit that has two
or more branches for
electrons to follow
parallel
What type of
circuits do homes
use for their
wiring?
parallel
A device that
increases or
decreases voltage
ina power line
transformer
free
free
what is an example
of when a
generator is used?
Power lines
cars
What are these type
of transformers?
Step up
Step down
Generators change
one form of energy
to another, what
does it change?
Mechanical to
electrical
What determines
the strength of an
electromagnet?
List two
Current going to it
Number of coils
What are two types
of metals that can
become
electromagnets?
Cobalt
Nickel
iron
Atoms in a magnet
are:
a. Arranged randomly
a. Negatively charged
b. Positively charged
c. Aligned according to magnetic feilds
Aligned according
to magnetic fields
If you have a copper wire,
permanent magnet and an iron
rod, what can you do to
produce an electrical current?
a. Place the wire near the north pole of the magnet
b. Move the permanent magnet rapidly over the
wire
c. Touch the ends of the wire to the poles of the
magnet
b. Move the
permanent magnet
rapidly over the
wire
A credit card works by
moving a magnetic strip
past a wire coil, what type
of energy is being created
by the changing magnetic
field?
electrical
Region around the
magnet where the
magnetic force acts
Magnetic field
What is resistance
measured in?
ohms
Where is the
magnetic force of a
magnet the
strongest?
poles
A temporary magnet
made by placing an
iron core inside a
current-carrying
wire
electromagnet
Process of producing
an electric current by
moving a lopp of wire
around an iron core
Electromagnetic
induction
Make your wager
What is the flow of energy for the
following?
• Each use three types of energy
a. Steam turning a paddle wheel to work an
electromagnet to light a light bulb
b. A battery giving current to an electromagnet
to make a speaker work
a.Mechanical – electrical –
thermal
b. Electrical – mechanical –
sound