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WorksheetsCurrent Electricity and Circuits
Total questions: 15
Worksheet time: 15mins
In a computer, electric energy is transformed into all of the following except _______ energy.
kinetic (motion) energy
thermal energy
sound energy
Light energy
____ is the positive terminal of an electrical cell.
Metal disc
Metal case
Metal cap
Metal base
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
_____ is an electric device which easily closes or opens an electric circuit.
Filament
Electric bulb
Electric switch
Electric cell
The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.
Negative to positive
Positive to negative
Positive to positive
None of these
insulator
Only one of the circuits below would work to light the light bulb. Choose the circuit below that would make the light bulb light up.
conducts electricity around a circuit
wire
insulator
light bulb
switch
closed pathway that electricity flows through
battery
conductor
insulator
circuit
the power source that pushes electricity around a circuit
light bulb
switch
battery
wire
Electrical energy can be changed to _____ energy in stoves, toasters, and ovens.
sound
light
heat
motion
