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100
Electric current moves through the parts of a ______________ in only one pathway
What is series circuit
100
These are material that do not stop the flow of electric current but do allow the current to flow
What is resistors
100
These are devices in an electric circuit that contain a wire that melts and opens the circuit when the current gets too strong
What is fuses
100
This is a device used to open and close a circuit without disconnecting wires or unscrewing bulbs
What is switch
100
This is an arrangement of iron wrapped in a coil of wire carrying an electric current
What is electromagnet
200
This is the movement of electrons along a pathway towards protons
What is electric current
200
These are reusable switches that stop the flow of current in a circuit if the electric current becomes too strong
What is circuit breakers
200
This is a complete pathway for electric current to follow
What is circuit
200
Electric current flows easily through ____
What is electric conductors
200
Electric current that travels through a ____________ without passing through any device
What is short circuit
300
Electric current does not flow through
What is insulators
300
Electric current flows through different parts of a _______________________ at the same time.
What is parallel circuit
300
You can make an electromagnet stronger by
What is increasing the number of coils
300
You can turn an electromagnet off by
What is switching off the current
300
You can make an electromagnet from a nail by
What is wrapping a wire around it
400
Electric current can be controlled by two things
What is fuses and circuit breakers
400
In a parallel circuit, electricity
What is flows through different parts of circuits at the same time
400
In a series circuit, electricity
What is flows through each bulb before reaching the next one
400
Which of the following is an insulator: silver, water, air, aluminum
What is air
400
Which of the following conducts the most electricity: water, rubber, copper, glass
What is copper
500
Switches save electrical energy by
What is opening circuit and stopping current
500
Electrical energy moves through wires and forms a
What is circuit
500
Classify the following as insulators: silver, air, plastic, light bulbs, copper, rubber, electric burners, gold, electric clothes dryer
What is air, plastic, rubber
500
Classify the following as resistors: silver, air, plastic, light bulbs, copper, rubber, electric burners, gold, electric clothes dryer
What is light bulbs, electric burners, electric clothes dryer
500
Classify the following as conductors: silver, air, plastic, light bulbs, copper, rubber, electric burners, gold, electric clothes dryer
What is silver, gold, copper
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