Student Name: ____________________________________________ Date: _______________________ Class Period: _________
CRCT Study Map- 8th Grade Physical Science- “Electricity, Magnetism, & Gravity”
S8P5. Students will recognize the characteristics of gravity, electricity, and magnetism as major kinds of forces acting in nature.
a. Recognize that every object exerts gravitational force on how much mass the objects have and how far apart they are.
b. Demonstrate the advantages and disadvantages of series and parallel circuits and how they transfer energy.
c. Investigate and explain that electric currents and magnets can exert force on each other.
Electricity
Magnetism
Electricity is the energy caused by moving electrons within an atom.
Electrical energy is the energy of electric charges.
Like charges
repel and
unlike charges
attract.
An electric
current is…
the rate at
which charges
pass a given
point measured
in Amps.
circuit- a closed
pathway in which
electrons can flow
series circuit
1.
A physical phenomenon produced by the motion
of electric charge, resulting in attractive and
repulsive forces between objects.
static electricity
is the…
electric charge at
rest on an object.
The fundamental force of attraction that all objects
with mass have on each other.
All magnets have two poles.
Lighning
insulatorsmaterials that
electrical charges
cannot move
through easily.
Plastic, rubber,
glass, wood, and
air are good
insulators.
Mass affects
gravity
North repels north.
South repels south.
North attracts south.
South attracts north.
Like polarity
repels and unlike
polarity attracts.
electric discharge-the sudden loss of static
electricity as charges move off an object
conductors- materials that
electrical charges can move
through easily. Most metals
such as copper, aluminum,
and gold are good
conductors.
Gravity
Materials that are
magnetic
like iron, nickel,
and cobalt
ferromagnets are
made of magnetic
materials
Materials that are
not magnetic.
copper,
aluminum, plastic
Earth is a large magnet which is
why compass needles point
towards North.
3 Parts of Circuit: energy source; wire; load
electromagnetism- when electric
currents produce magnetic fields.
parallel circuit
solenoid electromagnet
Disadvantageimpossible to
control the bulbs
individually.
When one goes
out, they all go out
Disadvantage:
Does not increase
the resistance if
you add additional
batteries or power
source.
Magnets can also make
electricity. An electric current
is made when a magnet moves
in a coil of wire or when a wire
moves between the poles of a
magnet.
a coil of wire that produces a magnetic field when carrying an
electric current. The strength of the magnetic field of a solenoid
increases as more loops are used. The magnetic field also
becomes stronger as the current in the wire is increased.
The larger
the mass of
something,
the greater
its
gravitational
force is on
other
objects.
Distance
affects gravity
The shorter
the distance
between
two objects,
the greater
the
gravitational
force is
between
them.
All magnets have two poles.
Electricity
electric charge at
rest on an object.
Magnetism
Gravity
circuit- a closed
pathway in which
electrons can flow
The larger
the mass of
something,
the greater
its
gravitational
force is on
other
objects.
Materials that are
not magnetic.
North repels north.
South repels south.
North attracts south.
South attracts north.
Like charges
repel and
unlike charges
attract.
static electricity
is the…
Disadvantageimpossible to
control the bulbs
individually.
When one goes
out, they all go out
ferromagnets are
made of magnetic
materials
insulatorsmaterials that
electrical charges
cannot move
through easily.
Plastic, rubber,
glass, wood, and
air are good
insulators.
Mass affects
gravity
solenoid electromagnet
a coil of wire that produces a magnetic field when carrying an
electric current. The strength of the magnetic field of a solenoid
increases as more loops are used. The magnetic field also
becomes stronger as the current in the wire is increased.
2.
Distance
affects gravity
3 Parts of Circuit: energy source; wire; load
A physical phenomenon produced by the motion
of electric charge, resulting in attractive and
repulsive forces between objects.
The fundamental force of attraction that all objects
with mass have on each other.
Materials that are
magnetic
series circuit
Earth is a large magnet which is
why compass needles point
towards North.
Like polarity
repels and unlike
polarity attracts.
copper,
aluminum, plastic
Lighning
Electricity is the energy caused by moving electrons within an atom.
Electrical energy is the energy of electric charges.
conductors- materials that
electrical charges can move
through easily. Most metals
such as copper, aluminum,
and gold are good
conductors.
electromagnetism- when electric
currents produce magnetic fields.
the rate at
which charges
pass a given
point measured
in Amps.
Magnets can also make
electricity. An electric current
is made when a magnet moves
in a coil of wire or when a wire
moves between the poles of a
magnet.
parallel circuit
like iron, nickel,
and cobalt
The shorter
the distance
between
two objects,
the greater
the
gravitational
force is
between
them.
An electric
current is…
Disadvantage:
Does not increase
the resistance if
you add additional
batteries or power
source.
electric discharge-the sudden loss of static
electricity as charges move off an object
DIRECTIONS: Cut out the shapes and paste them in the appropriate areas on the Study Map Puzzle. The ideas that relate
the MOST to one another should be connected by a line. GOOD LUCK!!!
TURN IN YOUR WORK WHEN FINISHED!!! When the teacher gives it back, you should use this map to study for the CRCT.
.