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THIS
IS
With Your
Host...
AStatic
Electricity
BFlowing
Electricity
C-
Magnetic
Fields
DTransform
It!
ETeacher’s
Choice
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
What causes static electricity?
A- when positive and negative
charges no longer balance
B- gaining electrons
C- losing electrons
D- when positive and negative
charges balance
A 100
What causes static electricity?
A- when positive and negative
charges no longer balance
A 100
A ________ object repels a positively
charged object.
A- negatively charged
B- positively charged
C- neutrally charged
A 200
A ________ object repels a positively
charged object.
B- positively charged
A 200
What type of particles will gather
near the bottom of a cloud before
energy is released as lightning?
A- neutral particles
B- positive and negative particles
C- negative particles
D- positive particles
A 300
What type of particles will gather
near the bottom of a cloud before
energy is released as lightning?
C- negative particles
A 300
Two objects that have the same charge
________ each other.
A- repel
B- attract
C- stick to
D- do nothing to
A 400
Two objects that have the same charge
________ each other.
A- repel
A 400
What is the space around and
electrically charged object called?
A- magnetic field
B- electric field
C- electric force
D- electric charge
A 500
What is the space around and
electrically charged object called?
B- electric field
A 500
Which of these would be a good
conductor for a closed circuit?
A- plastic
B- rubber
C- copper
D- wood
B 100
Which of these would be a good
conductor for a closed circuit?
C- copper
B 100
A material that conducts electric
current poorly is called..
A- an insulator
B- a circuit
C- a charge
D- a conductor
B 200
A material that conducts electric
current poorly is called..
A- an insulator
B 200
What would happen to the other
light bulbs in the circuit if one light
bulb burns out?
A – The others will remain on.
B- The others will go out.
B 300
What would happen to the other
light bulbs in the circuit if one light
bulb burns out?
B- The others will go out.
B 300
Do new homes use electricity that
arranged in a series or parallel circuit?
A- Series circuits
B- Both series and parallel circuits.
C- Parallel circuits
B 400
Do new homes use electricity that
arranged in a series or parallel circuit?
C- Parallel circuits
B 400
A(n) ________________ will allow
electric charges to flow without any
interruptions.
A- open circuit
B- resistance
C- electric field
D- closed circuit
B 500
A ________________ will allow
electric charges to flow without any
interruptions.
D- closed circuit
B 500
Where is a magnetic field the strongest?
A- at the south-seeking pole
B- at the north-seeking pole
C- in the middle
D- at both poles
C 100
Where is a magnetic field the strongest?
D- at both poles
C 100
Why does a compass needle point in
a north-south direction?
A- The needle is lightweight.
B- The needle is pulled in the
middle by Earth’s equator.
C- The needle reacts to Earth’s
magnetic poles.
C 200
Why does a compass needle point in
a north-south direction?
C- The needle reacts to Earth’s
magnetic poles.
C 200
What did Michael Faraday do when he
discovered that changing a magnetic field
created an electric current in a wire?
A- He shared his invention with other
scientists.
B- He told no one of his investigation.
C- He did not think he had discovered
anything.
C 300
What did Michael Faraday do when he
discovered that changing a magnetic field
created an electric current in a wire?
A- He shared his invention with other
scientists.
C 300
What does this show?
A- magnets attracting
B- magnets repelling
C- electric field
C 400
What does this show?
B- magnets repelling
C 400
The _____________ are caused by
charged particles being attracted to the
strongest part of Earth’s magnetic poles.
A- North Pole
B- Northern Lights
C- Northern Particles
D- Northern Auras
C 500
The _____________ are caused by
charged particles being attracted to the
strongest part of Earth’s magnetic poles.
B- Northern Lights
C 500
In a doorbell, electromagnets help
covert _________ to magnetic
energy to mechanical energy.
A- mechanical energy
B- static electricity
C- electric energy
D 100
In a doorbell, electromagnets help
covert _________ to magnetic
energy to mechanical energy.
C- electric energy
D 100
How can the strength of an
electromagnet be increased?
A- by using less current
B- by using a smaller magnetic core
C- by using a smaller magnet
D- by using more turns in the metal coil
D 200
How can the strength of an
electromagnet be increased?
D- by using more turns in the metal coil
D 200
What is produced when a coiled wire is
spun around a magnet?
A- magnetic energy
B- mechanical energy
C- electrical energy
D- geothermal energy
D 300
What is produced when a coiled wire is
spun around a magnet?
C- electrical energy
D 300
_______________ are often used in
industry to lift heavy objects.
A- Magnets
B- Electromagnets
C- Electric motors
D- Permanent magnets
D 400
_______________ are often used in
industry to lift heavy objects.
B- Electromagnets
D 400
A generator uses magnets and wires
to turn mechanical energy to
_____________.
A- static electricity
B- electrical energy
C- energy of motion
D- hydroelectric power
D 500
A generator uses magnets and wires
to turn mechanical energy to
_____________.
B- electrical energy
D 500
What is a charge in motion?
A- parallel circuit
B- electric current
C- magnetism
D- static electricity
E 100
What is a charge in motion?
B- electric current
E 100
One advantage of a(n) __________
is that its magnetic field can be
turned off.
A- electric current
B- permanent magnet
C- electromagnet
D- generator
E 200
One advantage of a(n) __________
is that its magnetic field can be
turned off.
C- electromagnet
E 200
Which of the following is NOT used to
power generators?
A- wind
B- moving water
C- hot rocks deep below earth’s surface
D- static electricity
E 300
Which of the following is NOT used to
power generators?
D- static electricity
E 300
Lights are wired as shown. What
happens to the circuit if one bulb
burns out?
A- Half of the bulbs light.
B- All bulbs light.
C- All but one light.
E 400
Lights are wired as shown. What
happens to the circuit if one bulb
burns out?
C- All but one light.
E 400
If you break a magnet in two pieces,
what might happen?
A- The magnetic field disappears.
B- Each piece has only one pole.
C- Each piece has a north and south
pole.
D- One magnet has two north poles
and the other has two south poles.
E 500
If you break a magnet in two pieces,
what might happen?
C- Each piece has a north and south
pole.
E 500