AnswersEF English 12 - 1st 9 Weeks NewText Structure in an Informational Text

Text Structure in an Informational Text Answers

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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.
2
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The main reason an author includes evidence in an informational text is to help the reader

A
understand the author's feelings.
B
appreciate different writing styles.
C
draw a conclusion.
D
memorize vocabulary.
3

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
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 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
6

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
7

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.
8

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.
9

Read the excerpts from Chapter Two of Windows to the Universe: Revolutions in Astronomy.In this model, the sun was at the center of the solar system, and Earth, along with other planets, orbited around it (this idea was revolutionary, but it wasn't brand new—remember Aristarchus?).…Aristarchus was an ancient Greek astronomer who lived around 2,000 years ago. He was the first known person to suggest that the Sun, not the Earth, was at the center of the universe, and that the Earth and other planets revolved around it. His ideas were way ahead of his time but weren't widely accepted until many centuries later.Why did the author most likely include this supporting text on Aristarchus?

A
to compare the methods used by Aristarchus and Copernicus to study the solar system
B
to highlight Aristarchus's influence on Copernicus's development of the heliocentric theory
C
to provide a historical context that reinforces the revolutionary nature of the heliocentric model
D
to emphasize how long it took for Aristarchus's ideas to gain acceptance in the scientific community
10

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.
11

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
12

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."
13

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.

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