Information Architecture and Research · Spring Term

Structural Features of Non-Fiction

Examining how headings, glossaries, and diagrams support the reader's navigation of informational texts.

About This Topic

Structural features of non-fiction texts, such as headings, subheadings, glossaries, indexes, and diagrams, organize complex information to support reader navigation and comprehension. In 6th Year Voices and Visions, students examine how subheadings signal content shifts and improve accessibility for technical topics. They analyze the interplay between diagrams and explanatory text, which clarifies visual elements, and consider how audience dictates vocabulary complexity through glossaries.

This unit aligns with NCCA standards in Exploring and Using, and Understanding, developing advanced literacy skills for research and communication. Students connect these features to real-world applications, like reports or articles, fostering critical analysis of how writers scaffold information for diverse readers.

Active learning suits this topic well. When students annotate texts collaboratively, redesign diagrams, or build glossaries from excerpts, they experience navigation challenges firsthand. These tasks make abstract conventions tangible, encourage peer feedback on clarity, and strengthen retention through application in their own informational writing.

Learning Objectives

• Analyze how headings and subheadings in a scientific report guide the reader through complex information.
• Compare the effectiveness of different types of diagrams (e.g., flowcharts, schematics) in explaining technical processes.
• Evaluate the relationship between the vocabulary complexity in a glossary and the assumed knowledge of the target audience.
• Create a short informational text section using appropriate structural features like headings and a supporting diagram.

Before You Start

Identifying Main Ideas and Supporting Details

Why: Students need to be able to discern the core message of a text to understand how headings and subheadings signal these main ideas.

Basic Comprehension of Visual Representations

Why: An initial understanding of how to interpret simple charts and graphs is necessary before analyzing more complex diagrams.

Key Vocabulary

Heading	A title or caption that appears at the top of a page, chapter, or section, indicating the subject matter.
Subheading	A secondary heading that divides a section into smaller parts, signaling a shift in topic or focus.
Glossary	An alphabetical list of terms with their definitions, typically found at the end of a book or article, explaining specialized vocabulary.
Diagram	A simplified drawing or plan that illustrates the workings, structure, or relationships of something, often accompanied by labels or captions.
Informational Text	Non-fiction writing that presents facts, statistics, and information about a particular topic in a clear and organized manner.

Active Learning Ideas

Annotation Stations: Feature Hunt

Set up stations with non-fiction texts highlighting one feature each: headings, glossaries, diagrams. Small groups annotate functions and effects on readability, then rotate. Regroup to compile a class chart of insights.

⏱ 45 min·Small Groups

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Diagram-Text Matchup

Distribute diagrams separated from their texts. Pairs match visuals to paragraphs, justify connections using captions, and present mismatches to class for discussion.

⏱ 30 min·Pairs

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Audience Adaptation Relay

Provide a technical excerpt. Small groups rewrite sections for child or expert audiences, adding or simplifying structures like subheadings and glossaries. Teams share revisions.

⏱ 40 min·Small Groups

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Glossary Builder Challenge

Individually extract terms from a text, define them, and format as a glossary. Pairs merge entries, vote on class versions, and compare to originals for completeness.

⏱ 25 min·Individual

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Real-World Connections

Medical researchers writing grant proposals use clear headings and subheadings to organize complex study designs, ensuring funding bodies can easily follow the methodology and objectives.

Technical writers for software companies create user manuals with extensive glossaries and diagrams that explain complex functions, making the product accessible to users with varying levels of technical expertise.

Journalists reporting on scientific breakthroughs employ structural features like infographics and concise summaries to make dense research findings understandable to a general readership.

Watch Out for These Misconceptions

Common Misconception

Headings and subheadings are decorative and optional.

What to Teach Instead

These features create a roadmap for content, previewing key ideas. Group annotation reveals how they reduce cognitive load, as students track comprehension with and without them during timed reads.

Common Misconception

Diagrams replace text and stand alone.

What to Teach Instead

Diagrams rely on text for interpretation, like labels and captions. Matching activities help students articulate links, showing visual-text synergy through peer debate.

Common Misconception

Glossaries suit only beginners, not advanced readers.

What to Teach Instead

Glossaries highlight essential terms for any audience. Student-created glossaries demonstrate strategic choices, with discussions exposing how they anchor understanding.

Assessment Ideas

Quick Check

Provide students with a page from a technical manual or a scientific article. Ask them to highlight all headings and subheadings and write one sentence explaining what each section is about. Check for accurate identification and summarization.

Exit Ticket

Give students a short excerpt of text with specialized vocabulary. Ask them to identify three terms that would need to be included in a glossary for this audience and justify their choices based on assumed prior knowledge.

Peer Assessment

Students work in pairs to find a diagram in a textbook or online resource. They then write a brief explanation of the diagram's purpose and assess its clarity. Partners provide feedback on whether the explanation accurately reflects the diagram and if the diagram itself is easy to interpret.

Frequently Asked Questions

How do subheadings improve accessibility of technical information?

Subheadings divide dense text into focused sections, guiding readers to relevant parts quickly. They signal hierarchy and transitions, much like chapter outlines. In class, students outline articles to see how subheadings mirror logical flow, improving skim-and-scan efficiency for research tasks.

What is the relationship between diagrams and explanatory text in non-fiction?

Diagrams visualize concepts while text provides context, labels, and analysis, creating mutual reinforcement. Captions bridge them explicitly. Practice matching reinforces this, as students explain how text resolves ambiguities in visuals, essential for scientific reports.

How does intended audience affect vocabulary in reports?

Writers simplify or specialize terms based on audience expertise, using glossaries for clarity. For children, basic words prevail; for experts, jargon assumes prior knowledge. Rewrite exercises show students these adaptations, linking structure to communication goals.

How can active learning help students grasp non-fiction structural features?

Active tasks like annotating excerpts or building glossaries let students manipulate features directly, revealing their navigational role. Collaborative redesigns expose peer perspectives on clarity, while matching diagrams to text builds analytical links. These methods boost engagement and transfer to writing, outperforming passive reading.