Question

Difficulty: MediumEvaluating Whole-Essay Goals and Purpose

[1]
In the 1840s, British botanist Anna Atkins sought a more accurate and efficient way to record the intricate structures of British algae than the traditional, painstaking method of hand-drawing specimens. Her search led her to the work of astronomer and chemist Sir John Herschel, who in 1842 had invented a simple photographic printing process known as the cyanotype. Utilizing paper treated with iron salts, Herschel’s process produced a Prussian blue image when exposed to sunlight and washed with water.

[2]
Recognizing the scientific utility of this new medium, Atkins realized she could place dried botanical specimens directly onto the sensitized paper, exposing them to light to create precise, detailed silhouettes. These "photogenic drawings," or cyanotypes, captured the delicate fronds and filaments of algae with a degree of accuracy and speed that no hand-illustration could match. Atkins was not merely experimenting; she was embarking on a systematic effort to document her extensive collection.

[3]
In 1843, Atkins began publishing her work in installments, titled Photographs of British Algae: Cyanotype Impressions. This landmark publication is widely recognized by historians as the first book ever illustrated with photographs. By using cyanotypes, Atkins successfully bridged the gap between botanical science and the emerging field of photography, establishing a permanent place for photographic illustration in scientific documentation.

Suppose the writer’s goal had been to write an essay that explains the chemical process of Sir John Herschel's cyanotype invention and details its subsequent industrial applications. Is the statement that the essay successfully achieves this goal true or false?

Answer: Answer

Answer

False
The statement is false because the essay focuses almost exclusively on Anna Atkins's botanical cataloging and does not contain either an explanation of the chemistry behind the cyanotype or a discussion of industrial applications.

Step-by-Step Solution

1
Identify the proposed writing goal from the stem.
The goal is to explain the chemical process of Herschel's cyanotype invention and detail its subsequent industrial applications.
This establishes the criteria against which the entire essay must be evaluated.
2
Examine the passage for explanations of the chemical process.
The text only mentions that the process utilizes 'paper treated with iron salts' and produces an image when 'exposed to sunlight and washed with water.' It does not explain the actual chemical reactions.
Evaluating this portion of the goal shows that the essay lacks the necessary scientific depth to fulfill it.
3
Examine the passage for details on industrial applications.
The passage focuses entirely on Anna Atkins using the process for botanical scientific illustration (cataloging algae). It does not mention any industrial uses.
Evaluating the remaining portion of the goal confirms that the essay does not address industrial applications.
4
Determine the truth value of the statement.
Since the essay fails to meet both components of the proposed goal, the statement that it successfully achieves this goal is false.
This synthesizes the findings to produce the final correct answer.

Key Concept

Evaluating Whole-Essay Goals and Purpose
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