Lesson
Virtual Labs
Blended Learning and MOOCs · Technology
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PhET is a university-based, research-led source with free simulations, extensive translations, and strong teacher support. The selected video is the project's own concise introduction and shows the value of a virtual lab through teacher, learner, and design perspectives.
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Summary, mindmap and highlights
PhET creates free interactive simulations for science and mathematics. The models let learners change a variable, observe a response, and move among representations such as motion, force arrows, graphs, equations, particles, and measurements. This makes relationships visible and supports rapid exploration.
A useful virtual-lab task begins with a question or prediction. Students choose what to vary, hold other conditions steady, record observations, and build an explanation from the pattern. Well-designed prompts leave room for exploration while directing attention to the target concept. A simulation can also prepare students for physical apparatus or extend a lab where equipment is scarce.
Teachers should introduce controls briefly, then spend time on the science. Ask students to explain evidence, compare models with real phenomena, and identify the assumptions built into the simulation. Check device access, language, keyboard operation, and available alternative descriptions before assigning it. A virtual lab earns its place when the interaction produces evidence and reasoning that the learning outcome actually requires.
Concept map
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Interactive map
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PhET simulations make abstract or invisible relationships manipulable and visible.
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Multiple linked representations connect actions, measurements, graphs, and models.
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A strong lab sequence uses prediction, controlled change, observation, and explanation.
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Prompts should focus attention while preserving room for exploration.
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Students should discuss the simulation's assumptions and relationship to physical phenomena.
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Device, language, keyboard, and alternative-format access require an advance check.
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Additional resources
Explore this carefully selected material to deepen your understanding of the topic and connect it with your teaching practice.
University of Colorado Boulder PhET Interactive Simulations
About PhET
Official project history, design principles, subjects, languages, and access commitments.
University of Colorado Boulder PhET Interactive Simulations
Teaching with PhET
Research-based strategies, planning resources, and activity guidelines for teachers.
University of Colorado Boulder PhET Interactive Simulations
PhET research
The project's research base, publications, interviews, and design framework.
University of Colorado Boulder PhET Interactive Simulations
Introduction to PhET virtual workshop
A guided extension with teacher and student perspectives, examples, and reflective questions.