AnswersFL-0708340-Spanish 1 LMSClothing Part 1

Clothing Part 1 Answers

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Sara read in a book that in 1800, the Italian physicist Alessandro Volta observed that two metals connected by a conducting liquid produced a continuous transfer of electrons. This phenomenon was different from the rapid static discharge observed by Benjamin Franklin.Sara’s book was describing Volta’s observation of:

A
resistance.
B
static electricity.
C
electric current.
D
superconductivity.
22
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Which sequence lists types of materials in order from least conductive to most conductive?

A
superconductor conductor semiconductor insulator
Option A
B
insulator conductor semiconductor superconductor
Option B
C
conductor superconductor semiconductor insulator
Option C
D
insulator semiconductor conductor superconductor
Option D
23

The basic unit of electric current is the:

A
ohm.
B
ampere.
C
conductivity.
D
volt.
24

potentialconductivityinsulation✔ resistance

A
potential
B
conductivity
C
insulation
D
resistance
25

Which best explains why an electric toaster is considered a resistor?

A
It increases the flow of electrons.
B
It acts as a conductor.
C
It converts electric energy to another form of energy.
D
It produces an increase in voltage within the current.
26

A negatively charged rod is placed near two neutral metal spheres, as shown below.

Question illustration
A
The spheres are charged through friction.
B
The spheres develop the same charge.
C
Electrons move from the rod to Sphere A.
D
Electrons move from Sphere A to Sphere B.
27

A short wire has resistance than a long wire.

A
more
B
less
28

Which lists types of materials from most conductive to least conductive?

A
insulator, semiconductor, conductor, superconductor
B
superconductor, conductor, semiconductor, insulator
C
conductor, insulator, semiconductor, superconductor
D
semiconductor, conductor, superconductor, insulator
29

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A
The electric force increases because the amount of charge has an indirect relationship to the force.
B
The electric force increases because the amount of charge has a direct relationship to the force.
C
The electric force decreases because the amount of charge has an indirect relationship to the force.
D
The electric force decreases because the amount of charge has a direct relationship to the force.
30

A warm wire has resistance than a cool wire.

A
more
B
less
31

Measurements of two electric currents are shown in the chart.

Question illustration
A
Current X has a greater potential difference, and the charges flow at a slower rate.
B
Current Y has a greater potential difference, and the charges flow at a slower rate.
C
Current X has a greater potential difference, and the charges flow at a faster rate.
D
Current Y has a greater potential difference, and the charges flow at a faster rate.
32

What would make oppositely charged objects attract each other more?

A
increasing the positive charge of the positively charged object and increasing the negative charge of the negatively charged object
B
decreasing the positive charge of the positively charged object and decreasing the negative charge of the negatively charged object
C
increasing the distance between the positively charged object and the negatively charged object
D
maintaining the distance between the positively charged object and the negatively charged object
33

Resistance depends on which three properties of a wire?Color and texture are not directly related to a wire’s resistance.

A
color, thickness, texture
B
thickness, length, temperature
C
length, texture, temperature
D
temperature, color, texture
34

What is the name of the area around a charged object where the object can exert a force on other charged objects?

A
electric field
B
electric charge
C
electric induction
D
electric force
35

Superconducting magnets are used in machines called particle accelerators. These machines rely on zero resistance in order to function properly.

A
They are heated to extremely high temperatures.
B
They are cooled to extremely low temperatures.
C
They are made to be very thick.
D
They are made to be very thin.
36

What would decrease the resistance of wires carrying an electric current?

A
shorter wires
B
higher-temperature wires
C
darker-colored wires
D
thinner wires
37

In the diagram, the arrow shows the movement of electric charges through a wire connected to a battery.

Question illustration
A
a balance in electric potential
B
a balance in resistance
C
a difference in electric potential
D
a difference in resistance
38

Anton created a chart listing different types of materials.

Question illustration
A
X: copperY: glass
B
X: rubberY: copper
C
X: paperY: silicon
D
X: siliconY: glass
39

The chart shows the voltage of four electric currents.

Question illustration
A
Current W flows at a higher rate than Current Z.
B
Current Y flows at a lower rate than Current X.
C
Current X has a lower potential difference than Current Y.
D
Current Z has a greater potential difference than Current W.
40

Which two wire properties would provide the greatest resistance to the flow of a current?

A
short, thin
B
long, thin
C
hot, thick
D
cool, thick

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