Worksheetselectricity
Total questions: 21
Worksheet time: 20mins
Name
Class
Date
1.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
2.
In a series circuit with 4 bulbs:
a)
a switch is never used
b)
all of the bulbs become dimmer if another bulb is added
c)
There are many paths for electricity to take
d)
the remaining 3 bulbs stay lit if one burns out
3.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
4.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
5.
What part of a circuit is this object?
a)
power source
b)
load
c)
pathway
d)
switch
6.
Insulator or Conductor?
STEEL
STEEL
a)
Insulator
b)
Conductor
7.
Insulator or Conductor?
STYROFOAM
STYROFOAM
a)
Insulator
b)
Conductor
8.
A __________opens and closes a circuit?
a)
key
key
key
b)
magnet
c)
switch
d)
electromagnet
9.
What is the purpose of a switch?
a)
To open and close the circuit.
b)
To carry the electricity through the circuit.
c)
To make a fun clicking sound
d)
To supply the power to the circuit
10.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
11.
Is this circuit open or closed?
a)
Closed
b)
Open
12.
The buildup of charges on an object is called:
a)
positive charge
b)
static charge
c)
negative charge
d)
static discharge
13.
This circuit is _________.
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
14.
What is a current?
a)
A constant flow of electricity
b)
A path that a current can flow along
15.
What is a circuit?
a)
A constant flow of electricity
b)
A path that a current can flow along
16.
It is a kind of magnet that works only when there is a flow of electricity.
a)
Electromagnet
b)
Bar Magnet
c)
Horse Shoe Magnet
d)
Magnetite
17.
The picture shows a(n) ________________ circuit.
a)
b)
18.
The picture shows a(n) ________________ circuit.
a)
b)
19.
The picture shows a(n) ________________ circuit.
a)
b)
20.
The picture shows a(n) ________________ circuit.
a)
b)
21.
The picture shows a(n) ________________ circuit.
a)
b)
100 %
