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WorksheetsElectricity and Magnetism
Total questions: 34
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following will attract each other?
a)
North pole and north pole
b)
South pole and south pole
c)
North pole and south pole
2.
Electricity that flows in a closed path is called a _____________
a)
path
b)
current
c)
circuit
3.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
4.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
5.
To complete a circuit, a switch must be ___________
a)
unattached
b)
open
c)
closed
6.
The plastic around the wire is an example of an _____________
a)
conductor
b)
insulator
c)
decoration
7.
Which object is an example of a conductor?
a)
plastic
b)
chalk
c)
metal nail
8.
Which object is an example of an insulator?
a)
paper clip
b)
metal nail
c)
rubber
9.
If bulb 1 burns out in the circuit, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
10.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
11.
Like poles will________each other
a)
attract
b)
repel
c)
don't effect
12.
When a bar magnet is broken in half, what is the result?
a)
Two N poles
b)
Two S poles
c)
Two N poles and two S poles
d)
The bar loses its magnetic properties
13.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
14.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
15.
When two magnets repel each other which poles are facing each other?
a)
North and South
b)
South and North
c)
North and North
d)
Positive and Negative
16.
What is a conductor?
a)
A material that stops electric current from flowing
b)
A material that allows electric current to flow easily
17.
What is an insulator?
a)
A material that DOES NOT allow electric current to flow
b)
A material that DOES allow electric current to flow
18.
Which is an example of a conductor?
a)
Glass
b)
Plastic
c)
Copper
d)
Wood
19.
What is static electricity?
a)
The buildup of neutrons
b)
Electricity flowing through a current
c)
Particles staying still
d)
The buildup of electric charges on an object
20.
What is current electricity?
a)
Current electricity involves a continuous flow of neutrons
b)
Current electricity involves a continuous flow of protons
c)
Current electricity is a single transfer of electrons
d)
Current electricity is a steady flow of electrons
21.
What is magnetism?
a)
An invisible force produced by certain metals
b)
A visible force produced by certain metals
c)
An invisible force produced by all metals
d)
A visible force produced by mixtures of metals
22.
What will happen to the other bulbs in the circuit if one bulb goes out?
a)
The other bulbs will go out
b)
The other bulbs will get brighter
c)
The other bulbs will get dimmer
d)
They will flash on and off
23.
A balloon is rubbed all over with wool. The balloon will now attract wool because the balloon and wool
a)
are magnets
b)
have opposite charges
c)
have like charges
d)
have neutral charges
24.
Which of these in an insulator?
a)
a copper wire
b)
a silver spoon
c)
a plastic coating on a wire
d)
an aluminum coating on a wire
25.
A group of lights are connected in a parallel circuit. One of the lights is removed. The rest of the lights will
a)
get brighter
b)
get dimmer
c)
go out
d)
not change
26.
Which object will conduct electricity, conduct heat, and be attracted to a magnet?
a)
aluminum foil
b)
iron nail
c)
wooden toothpick
d)
cotton ball
27.
Which best describes how the wire affects the circuit?
a)
It provides heat to the light bulb.
b)
It supplies energy for the circuit.
c)
It conducts electricity to the light bulb.
d)
It stops the current from flowing.
28.
Which of these objects has the greatest mass?
a)
brick
b)
paper
c)
shoe
d)
basketball
29.
Which of these best describes why bending a wire is an example of a physical change?
a)
A bent wire is more useful.
b)
A bent wire can be straightened again.
c)
The bent wire will break into 2 pieces.
d)
A bent wire is a new material.
30.
Which list gives the correct order of substances from the lowest melting point to the highest?
a)
iron, sodium, water
b)
water, iron, sodium
c)
water, sodium, iron
d)
sodium,iron, water
31.
What two senses could you use to distinguish the difference between a spoonful of salt and a spoonful of flour?
a)
look and taste
b)
taste and smell
c)
taste and touch
d)
listen and touch
32.
Which pair of items will repel each other?
a)
a positively-charged wool sock and a neutral plastic bag
b)
a negatively-charged balloon and a positively-charged piece of paper
c)
a negatively-charged plastic strip and a negatively-charged piece of cloth
33.
A metal ball has an electrical charge. What will happen when it is brought near another metal ball with the same electrical charge?
a)
The two balls will be pulled toward each other.
b)
The two balls will touch and move in circles around each other.
c)
The two balls will be pushed away from each other.
d)
The two balls will touch and then remain connected with each other.
34.
Opposite electrical forces will
a)
attract each other.
b)
repel each other.
c)
have no affect on each other.
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