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WorksheetsUnit 2 Lesson 2 Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The electric circuit below consists of a battery, a switch, and three light bulbs. What type of circuit is shown in the diagram?
a)
closed circuit
b)
series circuit
c)
magnetic circuit
d)
parallel circuit
2.
The electric circuit below consists of a battery, a switch, and three light bulbs. What will happen if the switch is closed?
a)
Bulbs A, B, and C will go out.
b)
Bulbs A, B, and C will become lit.
c)
The battery will recharge.
d)
Charges will stop flowing through the circuit.
3.
Some materials conduct electricity, but others do not. Which of these materials is an electrical conductor?
a)
nail
b)
plastic ruler
c)
rubber band
d)
toothpick
4.
The illustration shows a circuit that includes four light bulbs: A, B, C, and D. When the switch is closed, all of the light bulbs are on. What happens to Bulbs A and D if Bulbs B and C are removed?
a)
Bulbs A and D go out.
b)
Bulbs A and D stay on.
c)
Bulb A stays on and Bulb D goes out.
d)
Bulb A goes out and Bulb D stays on.
5.
Erica looked at a group of objects and classified them as electrical conductors or insulators. She made the table below to show her results. How many objects are not classified correctly?
a)
0
b)
1
c)
2
d)
4
6.
Jayden wants to compare how well different materials conduct electricity. He builds a circuit and uses various objects to complete the circuit. He compares how brightly a light bulb glows using each object. The table below shows the results. Which object is the BEST insulator of electricity?
a)
nail
b)
crayon
c)
eraser
d)
pencil lead
7.
What effect will one positive charge have on another positive charge?
a)
They repel each other from a distance.
b)
They repel each other only when they touch.
c)
They attract each other from a distance.
d)
They attract each other only when they touch.
8.
We see lightning as a flash of light in the sky. Lightning can occur during rainstorms and hot summer days. Lightning is an example of what?
a)
electric charge
b)
static electricity
c)
electric current
d)
electrostatic discharge
9.
What is the main difference between an electric current and static electricity?
a)
Electrons in an electric current move by electrostatic discharge.
b)
Static electricity occurs in at least two objects. An electric current occurs in only one.
c)
Electric charges flow in an electric current but not in static electricity.
d)
Negative charges form static electricity. An electric current involves positive charges.
10.
Clayton tries to build an electric circuit using a battery, a light bulb, a paper clip, and copper wire. The diagram below shows what he builds. Which statement BEST explains why the circuit would not conduct electricity?
a)
The circuit lacks a power source.
b)
The circuit is not a complete loop.
c)
The light bulb uses the electric current.
d)
The paper clip stops the electric current.
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