AnswersCR Expository Reading and Writing S1 E4250OXSetting Big Goals: Text Features and Organization in an Informational Text

Text Structure in an Informational Text Answers

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Which explains why authors most likely include supporting texts alongside main texts?

A
to better explain some of the ideas in the main text
B
to draw conclusions about the ideas in the main text
C
to ask more questions about the ideas in the main text
D
to present new ideas on the same topic as the main text
2
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Read a picture caption and an excerpt from Chapter Two of Windows to the Universe: Revolutions in Astronomy.Caption: A 19th-century painting by Cristiano Banti showing the astronomer Galileo Galilei in front of religious officials accusing him of going against the teachings of the Catholic Church. ***At the time, Copernicus's ideas were considered heretical (meaning they went against the official teachings of the Church), but his groundbreaking work laid the foundation for future astronomers who could use telescopes to prove that his heliocentric model was correct.Which detail do both the caption and excerpt mention?

A
the term heretical ideas
B
astronomers' ideas going against the Church
C
astronomers using telescopes for discovery
D
teachings of future astronomers
3

Read Chapter Two of Windows to the Universe: Revolutions in Astronomy.Which example of a supporting text would best connect to the main idea that the development of telescopes advanced our understanding of the universe?

A
an account of how sailors used early spyglasses for navigation at sea
B
a timeline of the development of observatories and their use in tracking comets and asteroids
C
a discussion of radio telescopes and their role in discovering pulsars and mapping cosmic background radiation
D
a description of how the Hubble Space Telescope has revealed distant galaxies and contributed to the Big Bang Theory
4

Read the sentence.When organizing an informational text, an author often presents evidence to support central ideas.What is evidence?

A
proof of something
B
a logical judgment
C
supporting opinions
D
an author's claim
5

Read the beginning of the section Refining the Telescope from Chapter Two of Windows to the Universe: Revolutions in Astronomy.Galileo Galilei, an Italian scientist, is often credited with significantly improving the telescope. By 1609, he had built a version that magnified objects up to 30 times.Which statement best explains the central idea that this excerpt introduces?

A
Technological advancements in telescopes began to accelerate after 1609.
B
Galileo's work with telescopes focused primarily on increasing magnification power.
C
The telescope's development was driven by individual contributions from prominent scientists.
D
Galileo's improvements to the telescope greatly advanced humanity's understanding of the universe.
6

A supporting text

A
may be set in a different font.
B
may be logical judgments.
C
usually does not support the main text.
D
usually is about a topic not related to the main text.
7

How do timelines add to informational texts?

A
They present events in chronological order.
B
They conclude with the central idea.
C
They present the information in no particular order.
D
They summarize the central idea with quotes.
8

A supporting text may be

A
the opening paragraph of a main text.
B
the concluding paragraph of a main text.
C
a quote providing evidence in a main text.
D
set off in a format different from the main text.
9

When an informational text is organized chronologically, what is it most likely about?

A
scientific discoveries compared to each other
B
a list of important facts about a topic
C
history or past events
D
real-life problems and solutions
10

Why is it best that Chapter Two of Windows to the Universe: Revolutions in Astronomy is ordered using a chronological structure?

A
It highlights how the contributions of individual scientists were more important than collective efforts.
B
It allows the reader to understand the progression of events and technological advancements in the order they occurred.
C
It provides a comparison of different telescope designs across time, helping the reader evaluate their effectiveness.
D
It emphasizes the recurring challenges in telescope development rather than the solutions achieved.
11

Read the claim.Technological advancements in lens crafting and the development of mirrors addressed challenges, enabling more powerful and accurate telescopes.Which quotation from Chapter Two of Windows to the Universe: Revolutions in Astronomy would best support this claim?

A
"Parabolic mirrors have a curved shape, like the arch of a baseball in flight. When light hits the surface, the curve focuses the light into a specific point."
B
"An elliptical mirror is flat but tilted at a 45-degree angle, reflecting light at an angle."
C
"He discovered that all lenses suffer from something called chromatic aberration…. Newton realized this problem could be avoided by using mirrors instead of lenses."
D
"While Newton's reflecting telescope worked well, making the mirrors was still tricky and costly. As a result, his design didn't become widespread right away."
12

Read the picture caption from Chapter Two of Windows to the Universe: Revolutions in Astronomy.Caption: Spyglasses like this were early examples of instruments that could magnify images from far away.What is the author's purpose in including this supporting text?

A
to explain the technical mechanics of how spyglasses magnify distant objects
B
to draw a comparison between spyglasses and modern telescopes
C
to provide an example of the type of technology discussed in the chapter
D
to emphasize the historical importance of spyglasses in navigation and exploration
13

Read the excerpt from Chapter Two of Windows to the Universe: Revolutions in Astronomy.In 1608, a Dutch spectacle maker named Jacob Metius filed the first patent for a device that could make "faraway objects appear close." His invention provided magnification three to four times. While the patent office denied his application (since it was easy to copy), Metius was awarded a small sum for his efforts. This simple invention—a long tube with a convex lens on one end and a concave lens on the other—was revolutionary.Which conclusion can be drawn from this evidence?

A
Jacob Metius's invention directly inspired Galileo's later work on telescope development.
B
The simplicity of early telescopes made them less valuable than later, more complex designs.
C
The invention of basic telescopes represented a significant step forward in scientific exploration.
D
Early telescopes were primarily used for practical purposes, such as navigation or military applications.
14

Read the excerpt from Chapter Two of Windows to the Universe: Revolutions in Astronomy.Eventually, telescopes became essential tools for exploring the universe, leading to even more incredible discoveries. But sometimes, despite all the technological advances made over the centuries, even the most cutting-edge telescopes encounter major problems.Why does the author most likely include this information at the end of the chapter instead of at the beginning?

A
to offer new evidence supporting the idea that challenges faced by early telescope inventors remain unresolved
B
to summarize the chapter's main ideas while hinting at future topics in subsequent chapters
C
to critique the effectiveness of modern telescopes compared to historical designs
D
to provide a detailed explanation of problems with telescopes that the chapter failed to address earlier
15

How does the chronological organization of an informational text help a reader draw conclusions?

A
It states the conclusion at the beginning, so the reader knows what to expect.
B
It presents events or steps in a logical order, making it easier to see causes and effects.
C
It groups similar ideas together, making comparisons clearer.
D
It emphasizes the most important details first, so the conclusion is obvious.

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