AnswersEA Academy Civics 9Interactions in the US Economy

Temperature and Thermal Energy Answers

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1
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What are the two solutions of the equation?

A
x = and x =
Option A
B
x = 3 + and x = 3 –
Option B
C
x = 5 + and x = 5 –
Option C
D
x = and x =
Option D
4

Which democratic principles drive the US economy? Choose three correct answers. the protection of rightsfree trade and choicethe decentralization of powertaxation without representationprivate ownership and propertyelections of government officials

A
the protection of rights
B
free trade and choice
C
the decentralization of power
D
taxation without representation
E
private ownership and property
F
elections of government officials
5

Which statements describe characteristics of monopolies? Choose three correct answers.They can influence the government and the economy.The government cannot regulate or control them.They increase competition in the economy.They limit choice and control pricing.Only one company provides a product or service.

A
They can influence the government and the economy.
B
The government cannot regulate or control them.
C
They increase competition in the economy.
D
They limit choice and control pricing.
E
Only one company provides a product or service.
7

Which of these would have the lowest kinetic energy?

A
boiling water
B
ice water
C
refrigerated water
D
water at room temperature
8

Joshua is preparing a report to show the relationship between average kinetic energy and temperature. Is his graph accurate? Explain your answer.

Answer:

Yes. The graph is accurate because temperature increases as the average kinetic energy of particles increases.

10

[___]

Answer:

Kelvin scale

12

Water freezes at 32 [___].

A
degrees Celsius
B
degrees Fahrenheit
C
kelvins
14

[___]

A
-305.5 K
B
-240.5 K
C
240.5 K
D
305.5 K
15

Water freezes at 0 [___].

A
degrees Celsius
B
degrees Fahrenheit
C
kelvins
16

Water freezes at 273 [___].

A
degrees Celsius
B
degrees Fahrenheit
C
kelvins

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