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WorksheetsA preliminary study of Circuits
Total questions: 40
Worksheet time: 23mins
What do you understand by a Household Appliance?
It is a device that works by using air Energy
It is a device that works by using electrical Energy
It is a device that works by using sun Energy.
A household device converts ________________ into the energy we need.
all energy
light energy
sun energy
electrical energy
Where will we find household appliances the most?
in the car
On the sports field
In my house
In a cage
Electric Charge is when......
objects become ____________________
when they lose electrons and _______________
when they gain electrons.
positively charged / negatively charged
negatively charged / positively charged
Objects with like charges ___________ and objects with
opposite charges _________
repel / attract
push / pull
call / show away
Electricity is:
the ___________ and / or ___________ of electric charges
on / off
positive / negative
here / there
p r e s e n c e /
f l o w
Name this drawing.
Way
plan
circut
circle
Higher Current = ___________ Electric Charges (Electrons)
Slower Moving
Faster Moving
Current flows from + to -
True
False
Sometimes
Electrons flow from ___ to ___
positive to negative
negative to positive
both
Electric Currents are like roller coasters. They follow a ______ pathway.
straight
changing
fixed
circle
Circuits control the ___________ of electric current
movement
stopping
speed
The path of an electric circuit is a ___________
open loop.
closed loop.
both
A basic circuit need at least 4 things to be a circuit.
switch
alarm
wire
battery
switch
battery
wire
sunlight
switch
power scource
clock
load
switch
load
wire
battery
Draw one example of a load.
A switch is used to _______ and ________ a circuit.
open / swing
close / shut
open / close
none of them
Is this an open or closed circuit or both?
closed
open
both
What do we call this type of circuit?
series
multiple
single
parrallel
What do we call this type of circuit?
parrallel
series
multiple
round
In a Series Circuit there is __________ path
for the electric current or electricity to flow.
only two
only one
more than one
as many as possible
In a Parallel Circuit there is ___________
path for the electric current or electricity to flow.
only one
more than two
more than one
no
All of the loads in a series circuit share ________ current.
different
the same
In a parrallel circuit, the electric current branches so that electrons flow through _______ of the paths
all
each
two by two
many
Resistance is:
how __________ it is
for electrons to flow
through a material (friction).
Straight
slow
fast
difficult
Is this paper clip a good conductor?
yes
no
Is wood a good conductor?
yes
no
sometimes
Voltage measured in ________, symbolized by the letters "E" or "V".
amps
volts
newton
Current measured in ________, symbolized by the letter "I".
amps
intake
paths
Voltage
Is how much energy is between two points on a circuit.
Is a flowing or moving charge.
Is how much the circuit resists the flow of the charge.
Current
is how much the circuit resists the flow of the charge.
Is how much energy is between two points on a circuit.
Is a flowing or moving charge.
Resistance
Is a flowing or moving charge.
Is how much energy is between two points on a circuit.
Is how much the circuit resists the flow of the charge.
Determine the amount of Voltage:
R = 60 Ω
I = 15 A
900 A
90 R
90 V
900 V
Determine the amount of Current:
V = 6 Volt
R = 6 Ohm
10 A
10 I
1 A
1 I
Determine the amount of Resistance:
V = 220 V
I = 60 A
3 Ω
3.3 Ω
3.6 Ω
3.7 Ω
Find voltage if current is 2.5A and a resistance is 4 ohms.
V 10
10 V
1 V
1.5 V
If resistance is 12 ohms, if a current is 0.8A, find voltage?
9 V
19 V
9.6 Volt
96 V
Name the symbol
Line
Wire
Device
Battery
Name the symbol
Wire
Resistor
Battery
Switch
Name the symbol
V meter
Velocity meter
Vellometer
Voltmeter
Name the symbol
Switch
Closed switch
Open switch
Long switch
