WorksheetsBasic Circuits
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
2.
Electrical lights will not come on unless their electrical circuit is a --
a)
parallel circuit
b)
series circuit
c)
closed circuit
d)
short circuit
3.
A fifth grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?
a)
plastic straw
b)
cotton string
c)
aluminum foil
d)
rubber eraser
4.
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?
a)
A
b)
B
c)
C
d)
D
5.
The electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
6.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
7.
What material would be safest to use as an insulator to cover electrical wires?
a)
rubber
b)
tin
c)
aluminum
d)
water
8.
This instrument can be used to see if materials conduct electricity. Which of these groups contains items that could all conduct electricity to complete the circuit?
a)
rubber ball, plastic comb, nail
b)
paper clip, penny, screw
c)
cork, dollar bill, tweezers
d)
pencil, eraser, spoon
9.
water is a______?
a)
conductor
b)
insulator
10.
materials that allow electricity to flow through them are called
a)
conductors
b)
current
c)
fuse
d)
resistor
11.
wood is a _____?
a)
conductor
b)
insulator
12.
when the circuit is _____, current does not flow.
a)
open
b)
closed
13.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
14.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
15.
Yarn is a ______?
a)
conductor
b)
insulator
16.
A student is building a circuit that will convert electrical energy into light energy. What materials does the student need to complete his circuit?
a)
Wire, battery, and bulb
b)
Battery, switch, and wire
c)
Switch, bulb, and battery
d)
Bulb, wire, and switch
17.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
18.
A material that does NOT allow electricity to flow is called _____.
a)
a conductor
b)
a fuse
c)
an insulator
d)
a transformer
19.
What is a battery?
a)
switch
b)
power source
c)
insulator
20.
Which statement below is true?
a)
All metals conduct electricity and all metals are attracted to a magnet.
b)
Some metals conduct electricity and magnets attract all metals.
c)
All metals are conductors and magnets are attracted to some metals.
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