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Electrical Circuits
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Which of the following would result in a circuit not working correctly?
A
The light not being big enough
B
A buzzer being used instead of a light bulb
C
The wires not closed
D
More than one battery is present
2) Which of the objects below is NOT needed to test electrical conductivity?
A
Insulated wire
B
Electrical tape
C
Battery
D
Object powered by electricity
3) Which of the objects listed below can be connected to the end of wires to complete a circuit that makes a buzzer sound?
A
battery
B
lightbulb
C
Another wire
D
switch
4) What process causes electricity to flow in a circuit, completing its path so that an electric current can pass through and produce sound?
A
vibrations
B
conductivity
C
insulation
D
solubility
5) Students experiment with the flow of electricity in circuits. The teacher instructs them to wear rubber gloves during the experiment because
A
rubber gloves are insulators
B
rubber gloves keep the student dry
C
rubber gloves allow electricity to flow
D
rubber gloves are conductors
6) Students decides to investigate what is required to make a complete path through which an electric current can pass. The students use different objects to see if they can produce heat. Why is it important for students to repeat their investigation?
A
to record accurate data
B
to test additional objects
C
to formulate a new hypothesis
D
to communicate a written conclusion
7) A student forgets to use a plastic coated wire and notices that the wire connecting to the battery is very hot. Which statement below explains why the wire is hot?
A
The wire is not insulated and electrical energy flowing from the battery produces heat
B
The wire is not insulated and electrical energy from the bulb heats the wire.
C
The wire is not insulated and electrical energy from the wire produces heat
D
The wire is not insulated and electrical energy from the switch produces heat.
8) Which part of a circuit is the energy source?
A
switch
B
battery
C
wire
D
bulb
9) Which of these could NOT be used to replace a wire in a circuit?
A
plastic straw
B
iron nail
C
aluminum foil
D
steel spoon
10) Electricity can produce
A
all of the above
B
light
C
sound
D
heat
11) When wires are connected to a battery and a lightbulb in a circuit, the lightbulb is lit. Which types of energy are produced by the battery and lightbulb?
A
light and sound
B
electrical and sound
C
sound and light
D
electrical and light
12) How many paths does a series circuit have?
A
1
B
4
C
2
D
3
13) How many paths does a parallel circuit have?
A
Less than 1
B
2 or more
C
Only 1
14) Which of the following is a correct statement?
A
If a switch is open, then the circuit is considered closed and will function correctly
B
A series circuit can be detached from a battery source and still work properly
C
A parallel circuit is used in homes because they have only one path for energy to flow through
D
Parallel circuits allow from some bulbs to be off and others to still function properly due to having more than 1 energypath
15) Students were given materials to complete a circuit to turn on one light. The materials received were 2 wires, a AA battery, and various size lightbulbs. What is the variable in the experiment?
A
Wires
B
size of lightbulbs
C
time of day
D
battery
16) In science class, students investigate ways to build circuits. Which items should students choose to create a working electrical circuit?
A
1 copper wire, wood chips and a lightbulb
B
Wood chips, wires and a battery
C
2 copper wires, a plastic straw and a lightbulb
D
two copper wires, a battery and a lightbulb
17) After several attempts to turn on a light using a simple circuit, a student concludes that the circuit must be closed in order for the light to turn on. Is the student's conclusion reasonable?
A
Yes, because all conclusions are correct
B
No, because circuits cannon turn on lights.
C
No, because the circuit needs to remain open in order for it to work
D
Yes, because circuits must be closed in order for electricity to flow through them.
*select an answer for all questions
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