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WorksheetsChapter 3- Electricity and Magnetism
Total questions: 49
Worksheet time: 36mins
Name
Class
Date
1.
In which of these circuits will the light bulb turn on?
a)
A
b)
B
c)
C
d)
D
2.
Magnets stick to ____
a)
Plastic
b)
Other magnets
c)
Iron or Iron Alloys
d)
Both Magnets and Iron/Iron Alloys
3.
Magnets have opposite poles, sometimes called north and south. When you put the north poles of two magnets together, the magnets will ________.
a)
Repel
b)
Explode
c)
Attract
d)
Spin
4.
Magnets have opposite poles, sometimes called north and south. When you put the north pole of one magnet next to the south pole of another magnet, the magnets will ________.
a)
Attract
b)
Repel
c)
Spin
d)
Evaporate
5.
The path through which electricity flows is called a _________.
a)
Trail
b)
Circuit
c)
Receiver
d)
Power Source
6.
In an electrical circuit, which of these would be considered an input that opens and closes the curcuit?
a)
Switch
b)
Light Bulb
c)
Wire
d)
Mouth
7.
In order for a circuit to work when using snap circuits or little bits, you need these 4 components:
a)
Input, switch, output, and receiver.
b)
Battery, wire, pliers, and gloves.
c)
Power source, input, receiver, and connector.
d)
Electricity, plug, light bulb, and motor.
8.
A switch can change an open circuit into a(n) _______________.
a)
Closed Circuit
b)
Electrical Circuit
c)
Parallel Circuit
d)
Series Circuit
9.
Which of these materials would be considered an excellent energy conductor?
a)
Copper wire
b)
Plastic straw
c)
Wooden clothes pin
d)
Pillow
10.
The needle on a compass is attracted to (points to) what?
a)
Treasure
b)
The Atlantic Ocean
c)
The East Coast
d)
The North Pole of the planet Earth
11.
Which component supplies the power (energy) to a circuit?
a)
Battery
b)
Wire
c)
Light Bulb
d)
Light Sensor
12.
A circuit with two or more components acting as receivers/outputs where each receiver/output has its own pathway to the source (doesn't share pathways) is called a ________ circuit.
a)
series
b)
incomplete
c)
parallel
d)
sick
13.
A circuit with two or more components acting as receivers/outputs where each receiver/output is linked one after another, all using the same circuit or pathway is called a ______ circuit.
a)
series
b)
incomplete
c)
linked
d)
parallel
14.
An insulator is a material that _______.
a)
produces heat and light.
b)
does not easily allow the flow of electricity.
c)
is expensive.
d)
connects batteries to wires in a circuit.
15.
Which of these shows a complete and closed parallel circuit?
a)
A
b)
B
c)
C
d)
D
16.
Which of these shows a complete and closed series circuit?
a)
A
b)
B
c)
C
d)
D
17.
A force that pushes and pulls certain metals
a)
poles
b)
magnetism
c)
force
d)
electromagnet
18.
A magnet that can be turned on or off and is made by sending electricity through metal.
a)
poles
b)
magnetism
c)
force
d)
electromagnet
19.
Invisible lines of magnetic force that flow through and around a magnet
a)
lines of force
b)
electromagnet
c)
push
d)
magneti
20.
The building block of matter
a)
atom
b)
electrons
c)
magnets
d)
protons
21.
Positively charged particle in the nucleus of an atom.
a)
atom
b)
electrons
c)
magnets
d)
protons
22.
negatively charged particles around the nucleus of an atom.
a)
atom
b)
electrons
c)
magnets
d)
protons
23.
The heavy center part of an atom.
a)
proton
b)
neutron
c)
nucleus
d)
atom
24.
Particles in the nucleus that are not charged but add weight.
a)
proton
b)
neutron
c)
nucleus
d)
atom
25.
Objects with extra electrons
a)
positive charge
b)
negative charge
26.
Objects that lost electrons
a)
positive charge
b)
negative charge
27.
negatively charged objects have _____ electrons
a)
extra
b)
lost
28.
An eraser is an example of--
a)
an insulator
b)
a conductor
c)
an open circuit
d)
a closed circuit
29.
A nail is an example of --
a)
a conductor
b)
an insulator
c)
a magnet
d)
a proton
30.
Why is a bulb brighter when it is powered by two batteries rather than one?
a)
The flow of electricity in the circuit is greater.
b)
The flow of electricity in the circuit is less.
c)
The flow of electricity in the circuit is the same.
d)
The bulb will not glow brighter with two batteries.
31.
What type of circuit has a broken path that does NOT let current flow through it?
a)
Open circuit
b)
Closed circuit
c)
Toggle
d)
Switch
32.
a)
a closed circuit
b)
a parallel circuit
c)
an open circuit
d)
an electromagnet
33.
a)
an open circuit
b)
a closed circuit
c)
a parallel circuit
d)
an electromagnet
34.
a)
a series circuit
b)
a parallel circuit
c)
a magnet
d)
an insulator
35.
The student conducted an experiment with circuits. Why was the light bulb bright when he closed the switch?
a)
closing the switch completed the circuit
b)
the switch produced an electric current
c)
closing the switch broke the circuit
d)
The switch did not make a difference
36.
a)
There is static electricity.
b)
He needs to wash his hair.
c)
There is too much dust in the air.
d)
A parallel circuit was on too long.
37.
a)
electrical energy transformed into motion
b)
magnetic energy transformed into static
c)
mechanical energy transformed into magnetism
d)
solar energy transformed into battery
38.
The boy plugged in his new electric train set. The electric energy is transformed into--
a)
mechanical energy
b)
an insulator
c)
a conductor
d)
static electricity
39.
Electricity used to operate a toaster or stove is transformed to--
a)
radiant energy
b)
potential energy
c)
mechanical energy
d)
superior energy
40.
What are three types of energy that can be transformed by the typical household appliance?
a)
radiant, thermal, and mechanical
b)
mechanical, kinetic, and motion
c)
thermal, heat, and radiant
d)
heat, motion, and mechanical
41.
When an electric current passes through a wire curled around an iron core this creates--
a)
an electromagnet
b)
resistance
c)
lightning
d)
a nucleus
42.
a)
an electromagnet
b)
a bar magnet
c)
a lightning rod
d)
a telephone
43.
a)
a magnetic field
b)
static electricity
c)
resistance
d)
lightning
44.
a)
magnetic field
b)
electromagnets
c)
insulators
d)
circuits
45.
a)
Benjamin Franklin
b)
Thomas Edison
c)
Galileo
d)
Aristotle
46.
a)
Thomas Edison
b)
Michael Faraday
c)
Benjamin Franklin
d)
Thomas Jefferson
47.
Which book would most likely contain information about Michael Faraday?
a)
The History of Generators
b)
All About the Light Bulb
c)
Thunderstorm Power
d)
Radios, Phonographs, Tape Players--A Timeline of Sound
48.
a)
Benjamin Franklin
b)
Michael Faraday
c)
Thomas Edison
d)
George Washington
49.
What contribution did Michael Faraday make toward the study of electricity?
a)
He invented the generator to make electricity.
b)
He invented the light bulb.
c)
He discovered that lightning was a form of electricty.
d)
He discovered static electricity.
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