STEM education
How to teach students to communicate technical information to non specialist audiences using analogies, visuals, and plain language.
Effective communication in STEM hinges on clarity, relatable examples, and carefully chosen visuals; this guide offers practical strategies, exercises, and scaffolds to help students translate complex ideas for broad audiences.
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Published by Paul Evans
July 16, 2025 - 3 min Read
In classrooms where technical content runs deep and details matter, students often struggle to connect with audiences unfamiliar with jargon. The goal is not dumbing down material, but rather shaping a message that respects the listener’s starting point. Start by defining a plain objective: what should a non specialist understand, and what should they feel afterward. Then map the core concepts to everyday experiences. Use concrete, tangible references that reveal a universal thread—how a process works, why a result matters, and where uncertainty lies. Continuous check-ins help ensure students aren’t slipping into phrases that only scientists recognize, which preserves accuracy while inviting broader curiosity.
To build confidence, practice with short, audience-centered tasks that reward clear expression over technical density. Begin with a one-minute explanation to a hypothetical non expert, focusing on a single idea. Encourage students to substitute specialized terms with plain language or, when necessary, to define terms in plain terms before continuing. Emphasize the power of visuals: a well-chosen diagram, a clean chart, or a simple symbol can replace paragraphs of explanation. As students refine their messages, they learn to pause for questions, listen for misconceptions, and adjust their wording so the audience remains engaged rather than overwhelmed.
Clear language with supporting visuals reinforces understanding
Analogy is a powerful bridge between domains, but it must be accurate and purposeful. When students craft an analogy, they should specify the functional aspects it illuminates, then reveal the limits of the comparison. Encourage a few iterations: start with a rough metaphor, test it with peers, and revise until the core mechanism becomes obvious without distorting facts. A good analogy clarifies relationships, highlights constraints, and invites curiosity rather than triggering resistance. Students can map a process to a familiar system, then annotate what the analogy leaves unsaid to prevent oversimplification from creeping in.
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Visuals are not decoration; they are cognitive tools that organize thinking. Teach students to design visuals that reflect a logical sequence, not merely attract attention. A flowchart can depict steps, a schematic can show interfaces, and a data visualization can reveal trends at a glance. Encourage consistency in color schemes, labeling, and scale to avoid confusion. Pair visuals with concise captions that capture the takeaway in a single sentence. Finally, practice explaining the visuals aloud as if presenting to a non specialist, which helps students detect ambiguous symbols and tighten wording.
Practice sustained, audience-centered storytelling in science
Plain language requires disciplined word choice and careful sentence structure. Students should resist nominalizations, passive voice, and crowded clauses that slow comprehension. Instead, promote action-oriented phrases, concrete nouns, and verbs that convey movement or change. Provide a framework: one sentence that states the takeaway, one sentence that justifies it, and one sentence that anticipates a common question. This template disciplines students to lead with relevance, then build credibility through concise evidence. Regularly practice paraphrasing complex ideas into two accessible sentences, then test them with a peer who represents a non expert viewpoint.
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When students translate technical material into plain language, they also learn to manage audience expectations. They can craft a short narrative that introduces a problem, describes the method in approachable terms, and ends with a practical implication. Role-playing exercises help them inhabit the listener’s perspective, forecasting questions and potential misunderstandings. Providing feedback that isolates specific wording, not personality, accelerates improvement. Over time, students internalize a habit: start by stating what the audience will be able to do after hearing the message, then reveal how the idea works in everyday terms.
Classroom routines that cultivate practice and feedback
Storytelling is not optional for technical content; it is a scaffold that holds information together. Coaches can guide students to structure a narrative: a hook that connects to daily life, a middle that explains the mechanism in accessible terms, and a close that links to real world application. Stories help listeners remember concepts and retain the underlying logic. The challenge lies in balancing narrative drive with accuracy, ensuring that fictional elements do not contradict evidence. Encourage students to test their stories by asking themselves what would cause a skeptical audience to doubt the claims and how to address those doubts clearly.
Language and visuals must work in harmony, not in opposition. Integrate templates that align spoken words with corresponding images, so the audience receives consistent cues. For example, a concept described verbally should appear on a slide as a labeled diagram. As students rehearse, have them monitor cognitive load: avoid cramming multiple ideas into a single moment and instead space information so new material can be absorbed. The goal is for the audience to leave the session with a coherent mental model, not a pile of detached facts. Regular reflection helps students notice where their explanations become disjointed.
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Measuring growth and sustaining improvement over time
Recurrent micro-presentations create steady improvement. Short, frequent opportunities to explain a concept to a lay audience build fluency and confidence. After each mini-presentation, peers highlight what was crystal clear and where misunderstandings linger. This immediate feedback loop motivates careful wording and iterative refinement. Teachers can provide targeted prompts, such as asking students to translate a term, describe a mechanism, or relate a finding to everyday consequences. By framing feedback as collaborative troubleshooting, students develop humility and resilience while strengthening their communication toolkit.
Scaffolds, when used thoughtfully, help students transfer skills from the classroom to real life. Start with a checklist that includes audience, purpose, key message, supporting evidence, and a clarifying visual. Then encourage students to pilot their message with a non expert audience before a formal presentation. The act of rehearsal reveals blind spots in logic or terminology, which students can correct before final delivery. Additionally, encourage students to collect questions from their audience and incorporate answers into a revised version, reinforcing the idea that communication is an evolving product, not a single act.
Assessment should extend beyond correctness to gauge accessibility and impact. Rubrics can award marks for clarity, relevance, and the effectiveness of visuals, as well as for listening responsiveness. Have students defend their choices of analogies and visuals in a concise explainer, which demonstrates accountability for their word choice. Peer assessment can be structured to focus on how well the audience understood the core message, not on technical depth alone. The most meaningful feedback emphasizes practical improvements that learners can implement in future presentations.
Finally, cultivate a mindset that communication is a discipline students carry forward. Encourage them to seek opportunities to explain technical ideas to diverse audiences, from younger students to community groups. Remind them that the best explanations respect the listener’s time and intelligence. Create a culture where questions are welcomed, curiosity is celebrated, and simplification never compromises accuracy. When students internalize these values, they become confident ambassadors for science who can translate complex information into meaningful, actionable understanding for any audience.
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