AnswersRKAA- Second Semester Civics and Citizenship 0.5 NewInfluence of Mass Media

Quadratic Functions: Standard Form Answers

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1
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Read the headline. Which term best describes this type of headline?

Question illustration
A
viral
Option A
B
clickbait
Option B
C
provocative
Option C
D
breaking news
Option D
2
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What did you include in your response? Check all that apply.

A
Displacement is the change in position.
B
Distance is the total distance from the starting point to the ending point.
C
Displacement includes the distance and the direction.
3

Badri makes the table below to review the factors that affect the electric force between objects.

Question illustration
A
changing “Direct” to “Indirect”
B
changing “Indirect” to “Direct”
C
changing “Distance” to “Amount of electric charge”
D
changing “Mass” to “Amount of electric charge”
4

Dr. Eriksson is working on a material called selenium. She is adding a certain number and type of atoms to the selenium, which will control its conductivity.

A
semiconductor
B
conductor
C
superconductor
D
insulator
5

A positively charged object is placed to the left of a negatively charged object. Which best describes how the positively charged object will move?

A
to the left, in the direction of the electric field lines
B
to the right, in the direction of the electric field lines
C
up in the direction that the field lines bend away
D
down in the direction that the field lines bend away
6

A circuit has a current of 2 A. If the resistance in the circuit decreases to one-fourth of its original amount while the voltage remains constant, what will be the resulting current?

A
0.5 A
B
2 A
C
4 A
D
8 A
7

According to Ohm’s law, which combination of units is the same as the unit for voltage?

A
ohm ÷ ampere
B
ampere × ohm
C
ohm + ampere
D
ampere ÷ ohm
8

A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains constant, what will be the resulting current?

A
0.3 A
B
0.4 A
C
1.2 A
D
3.6 A
9

Which provides resistance in an electric circuit?

A
wire
B
light bulb
C
battery
D
switch
10

What does voltage describe?

A
how fast current can flow
B
how much current can flow
C
how much a material resists electrical flow
D
how fast a material conducts electrical flow
11

Liang is working with an electrical circuit. She replaces a straight electrical wire with a coiled wire.

A
increase the strength of the magnetic field when current flows through the circuit
B
decrease the strength of the magnetic field when current flows through the circuit
C
increase the current that flows through the wire when the circuit is active
D
decrease the current that flows through the wire when the circuit is active
12

How are the electric field lines around a positive charge affected when a second positive charge is near it?

A
The field lines combine with the lines around the second positive charge.
B
The field lines overlap with the lines from the second positive charge.
C
The field lines bend toward the second positive charge.
D
The field lines bend away from the second positive charge.
13

A component of a circuit changes, as shown below.

Question illustration
A
A switch is closed, so the circuit would be incomplete and broken and the lights in the circuit would not shine.
B
A switch is closed, so the circuit would be complete and unbroken and the lights in the circuit would shine.
C
A switch is opened, so the circuit would be incomplete and broken and the lights in the circuit would not shine.
D
A switch is opened, so the circuit would be complete and unbroken and the lights in the circuit would shine.
14

Look at the circuit diagram.

Question illustration
A
one
B
two
C
three
D
four
15

The north pole of a bar magnet is moved close to the north pole of a second bar magnet. What prediction best describes how the first magnet responds when it is released?

A
It will move toward the second magnet because like poles repel.
B
It will move toward the second magnet because like poles attract.
C
It will move away from the second magnet because like poles repel.
D
It will move away from the second magnet because like poles attract.
16

How are the media influencing public opinion in this article?

A
by encouraging trust in government action
B
by encouraging trust in citizens’ involvement
C
by bringing attention to a citywide traffic problem
D
by bringing attention to environmental issues related to cars
17

Which role does this headline show the media fulfilling?

A
clickbait
B
watchdog
C
gatekeeper
D
agenda setter
Option D
18

What are the primary roles of media? Choose four correct answers.to inform the publicto sway the publicto act as gatekeepers by filtering informationto act as watchdogs to ensure that laws are followedto act as agenda setters by choosing what to coverto act as echo chambers by repeating popular ideas

A
to inform the public
B
to sway the public
C
to act as gatekeepers by filtering information
D
to act as watchdogs to ensure that laws are followed
E
to act as agenda setters by choosing what to cover
F
to act as echo chambers by repeating popular ideas
19

How does the media influence public opinion and policy? Choose three correct answers.

A
by reporting celebrities’ decisions and actions
B
by controlling what people see on social media
C
by investigating issues that are important to the public
D
by deciding which stories get the most attention
E
by monitoring governments’ decisions and actions
20

Which is one way social media differs from mass media?

A
Social media cannot spread information.
B
Social media reaches a large audience.
C
Social media users can access content.
D
Social media content can be created by users.

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Quadratic Functions: Standard Form Answers…