electricity and magnetism study guide ms. desimone fourth grade, room 221 test dates: 4d 4d:...
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Electricity and Electricity and Magnetism Study Magnetism Study
GuideGuideMs. DeSimoneMs. DeSimone
Fourth Grade, Room 221Fourth Grade, Room 221
Test Dates:
4D4D: Wednesday, March 12th, D3
4R4R: Thursday, March 13th, D4
Let’s start with…Let’s start with…
ElectricityElectricity
pg. 562
True or FalseTrue or False:
It is not possible to see, smell, or weigh an electrical charge.
TRUE!TRUE! pg. 564
Fill in the blank:Fill in the blank:
Electrical charges can be ______ or ____________.
A.A. north or south
B.B. hot or cold
C.C. attract or repel
D.D. positive or negativepg. 564
What is What is static static electricityelectricity??
Is it…Is it…
a type of circuit?
the difference between a north and south pole?
a buildup of electric charges on an object?
the way that power flows through wires?
pg. 565
What is a What is a circuitcircuit??
The path along which electric current can flow
OR…
The flow of electric charges through a circuit
pg. 567
What is a What is a dischargedischarge??The sudden movement of electric
charges from one object to another.
You have experienced a discharge if you have ever
touched something and gotten a SHOCK! pg. 566
What are the two What are the two main types of main types of
circuits?circuits?
Series Circuit Series Circuit
Parallel CircuitParallel Circuitpg. 568
Explain how series circuits and parallel circuits are
different. In a series circuit, electric current
flows in the same direction along a single path.
In a parallel circuit, electric current flows through more than
one path. pg. 568
Now, let’s move on Now, let’s move on to…to…
MagnetismMagnetism
pg. 574
What are the two What are the two types of magnetic types of magnetic
forces?forces?___ ___ ___ ___ ___ ___ ___
and___ ___ ___ ___ ___
ANSWERSANSWERS: : attractattract
andandrepel repel pg. 576
When two magnets When two magnets pull or push away, pull or push away, we say that they we say that they
________ one ________ one another. another.
R E P E LR E P E Lpg. 576
When two magnets When two magnets pull together, we pull together, we
say that they say that they _______ one another_______ one another. .
A T T R A C TA T T R A C T
pg. 576
Which of the materials Which of the materials listed below do magnets listed below do magnets
attractattract?? copper
nickel tin
steel cobalt
iron plastic
woodpg. 576
What are the ends What are the ends of magnets called?of magnets called?
POLESPOLES
pg. 577
Name each type of Name each type of magnet shown below:magnet shown below:
pg. 576
What is the area of What is the area of magnetic force around a magnetic force around a
magnet called?magnet called?
A. magnetic strength
B. magnetic fieldC. magnetic ends D. magnetic tipspg. 578
What is an What is an electromagnetelectromagnet??
An electromagnet is a magnet formed when electric
current flows through wire wrapped in coils around an
iron bar.
pg. 581
Electromagnets can be found Electromagnets can be found in your house. Name some in your house. Name some places where they can be places where they can be
found.found.headphonesheadphones
telephonestelephones
doorbellsdoorbells
motorsmotorsThere are many! Can you think of any
others? pg. 581
BONUS QUESTIONBONUS QUESTION
There will be a 2-point BONUS question on your test. It will be
about one of the Science labs we have done.
Our labs included: Balloon StaticBalloon Static
Stick or Won’t StickStick or Won’t Stick Making Parallel and Series CircuitsMaking Parallel and Series Circuits
Magnets’ EndsMagnets’ Ends Lines of Force with Iron FilingsLines of Force with Iron Filings
~ THE END ~~ THE END ~
PLEASE GO PLEASE GO STUDY!STUDY!