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STAAR Blitz Day 4 - Circuits
By NICHOLAS GLAESER
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Last updated 9 months ago
11 questions
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Question 1
1.
Three different diagrams of circuits are shown below.
Identify whether the circuit shown in the diagram is
complete
or
incomplete
.
Complete
Incomplete
Multipart
- This question has two parts. First, answer
Part A
. Then answer
Part B
.
A student built the circuit shown.
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Question 4
4.
How does a
conductor
differ from an
insulator
?
A conductor is used to block electricity, while an insulator allows electricity to pass through.
A conductor can be used to store electricity, while an insulator cannot.
A conductor is always made of metal, while an insulator is always made of plastic.
A conductor allows electricity to flow through it easily, while an insulator does not.
Question 5
5.
Which answer option below explains what a complete circuit is and correctly explains an example?
A complete circuit is a path that allows electricity to flow from a power source, through a conductor, and back to the power source. An example is a battery connected to a light bulb with wires.
A complete circuit is a path that stores electricity for later use. An example is a capacitor in a circuit.
A complete circuit is a path that allows electricity to flow only in one direction. An example is a diode in a circuit.
A complete circuit is a path that blocks electricity from flowing. An example is a switch in the off position.
Question 6
6.
What is the purpose of a switch?
A switch is used to store electrical energy for later use.
A switch is used to increase the voltage in a circuit.
A switch is used to measure the amount of current in a circuit.
A switch is used to open or close a circuit, allowing or stopping the flow of electricity.
Question 7
7.
What is the power source of the circuit?
Question 8
8.
Which lightbulbs will produce light with the circuit shown?
Question 9
9.
When Switch 2 is closed, how many lightbulbs will light up?
1
2
3
0
visibility
View drawing
Question 10
10.
What would need to be added to the circuit to make the bulbs shine brighter?
Another battery
More wires
Another switch
Another lightbulb
visibility
View drawing
Question 11
11.
Which bulbs would light up if Switch 1 is open but Switch 2 is closed? __________
What is your reasoning for your answer above? __________
visibility
View drawing
Question 2
2.
Part A
Which of the following output sources will operate when the switches are in the positions shown?
The bell and the motor
The bell and the bulb
The bulb and the motor
The bell only
Question 3
3.
Part B
Which statement supports the answer to
Part A
?
Electricity can flow through multiple output sources only when they are on the same complete pathway.
Electricity can flow through only one output source even if there are multiple complete pathways.
Electricity can flow through multiple output sources if there are multiple complete pathways.
Electricity can flow through an open switch if there are multiple complete pathways.
