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