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Grade 4
Topic Cloze Quiz
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Different Circuits
A device called a(n)
breaker
switch
fuse
resistor
Select your answer
keeps too much current from flowing through wires. The fuse prevents wires from heating up and starting a(n)
fire
resistor
current
breaker
Select your answer
. There is a strip of metal inside a fuse. This strip is a(n)
resistor
current
breaker
switch
Select your answer
. The resistor will melt if there is too much
fire
resistor
current
fuse
Select your answer
flowing through the strip. New homes have a circuit
breaker
current
fuse
resistor
Select your answer
or switch to protect circuits. If a dangerously high current flows through the circuit, the
switch
fuse
resistor
current
Select your answer
opens. A spring holds the switch open, creating a(n)
breaker
off
open
fire
Select your answer
circuit. If there’s a short circuit, the switch will be in the
open
resistor
off
current
Select your answer
position.