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Worksheets9.4 Electric circuits
Total questions: 25
Worksheet time: 1hrs 13mins
Identify the circuit symbols
A
wire
cell
lamp
battery of cells
Identify the circuit symbols
B
wire
cell
lamp
battery of cells
Identify the circuit symbols
C
wire
cell
lamp
battery of cells
Identify the circuit symbols
D
lamp
buzzer
motor
battery of cells
Identify the circuit symbols
G
lamp
buzzer
motor
battery of cells
Identify the circuit symbols
H
lamp
buzzer
motor
battery of cells
Identify the circuit symbols
E
open switch
closed switch
motor
battery of cells
Identify the circuit symbols
F
open switch
closed switch
motor
battery of cells
In which circuit A, B, or C, will the lamp be lit?
A
B
C
What do you need to do to make A lamps light?
needs another connecting wire.
need one of the cells to be turned around.
What do you need to do to make C lamps light?
needs another connecting wire.
need one of the cells to be turned around.
Choose the conductors
iron
wood
copper
carbon as graphite
Choose the Insulator
iron
wood
copper
carbon as diamond
Why are the wires that you use in circuits covered in plastic?
The wires are covered in plastic because it is an insulator.
The wires are covered in plastic because it is an conductor.
The wires that you use to make circuits.
conductor
insulator
The cover of wires that you use to make circuits.
conductor
insulator
A single unit device that converts electrical energy to chemical energy,
cell
battery
Group of different cells
cell
battery
A cell has a positive and a negative .............
end
pole
terminal
Identify the picture
cell
battery
Identify the picture
cell
battery
only metals conduct electricity
true
false
non-metal that conducts electricity.
carbon as diamond
iron
carbon as graphite
oxygen
If the voltage is big enough even the air will conduct electricity
true
false
The air conduct electricity, such as lightning at very high currents and voltages.
true
false
