Study skills · Systems
The Feynman Technique: Explain an Idea and Find the Gaps
The popular Feynman-style workflow asks you to explain an idea plainly, locate gaps, check them and try again. Use it when you can repeat terminology but struggle to explain what it means in a concrete situation.
What supports this approach
This guide uses a popular workflow label, not a verified historical checklist or an independently validated package. Its learning rationale comes from self-explanation and retrieval research.
Evidence and background: Dunlosky et al. (2013): Improving Students’ Learning; Agarwal et al. (2021): Retrieval Practice in Schools and Classrooms.
Before you start
Choose one narrow question and a reader who has less background than you. Keep a textbook or teacher explanation ready for checking. You do not need a real audience to write the first explanation.
One concept, blank paper and a reliable reference
Methods inside the system
Explain from memory
Write a short explanation using ordinary language. Define necessary technical words instead of removing them at the cost of accuracy.
Find and verify gaps
Underline any step you cannot justify. Check a reliable source, then correct the explanation rather than hiding the gap with an analogy.
Refine and apply
Explain again and test a new case. A drawing is an optional aid if its labels and relationships agree with the words.
Follow the system step by step
Pick a precise question.
Explain it without the source.
Check uncertain claims and repair the reasoning.
Explain again and use the idea in another case.
Example: why does opening a switch turn off a lamp?
A first explanation says, ‘The battery sends electricity to the lamp, and the switch stops it.’ That leaves a gap: why must the rest of the circuit also be connected?
After checking the class model, revise: ‘In this simple battery circuit, current needs a complete conducting path through the lamp and back to the battery. Opening the switch breaks that path, so current does not flow through the lamp.’ Use a circuit drawing to show the path if helpful.
Now ask what happens if a wire elsewhere in the same simple series circuit is disconnected. The path is again broken. Avoid saying that the lamp uses up the current: the circuit transfers energy, and that distinction matters when you explain it further.
Try it in another subject
In geography, explain the difference between weathering and erosion to someone who knows neither term. Add a case and identify which process it demonstrates.
Common mistakes and adjustments
Simple wording is not a licence to make a false analogy. State where a comparison stops working.
Do not treat teaching aloud as sufficient checking. Verify the content before rehearsing it again.
An example week
This is an example week, not a prescribed review interval. Adjust the tasks, time and support to the learner’s course and recall results.
| Day | Task | Minutes |
|---|---|---|
| Monday | Explain a simple circuit from memory | 15 |
| Wednesday | Check circuit gaps and redraw the model | 20 |
| Friday | Explain a new circuit case without notes | 15 |
Put the week in your calendar
Replace the bracketed date and time zone, then paste the prompt into Magic Generate in School Calendar. Review dates, durations and tasks before adding the events. See the Magic Generate guide.
Principles behind this system
Self-Explanation: Connect Ideas and Explain Why
Use why questions, worked-step explanations and concrete examples to check understanding, with an algebra demonstration and a short study pattern. Explore its methods and patterns.
Active Recall: Learn by Retrieving, Then Checking
Use closed-book questions, blank-page recall and answer checking to practise retrieving knowledge, with a science example and a manageable weekly routine. Explore its methods and patterns.
Feedback and Error Correction: Turn Mistakes into Better Practice
Use feedback to diagnose mistakes and choose a useful next attempt. Includes a fraction correction, error categories and a delayed retry routine. Explore its methods and patterns.
Optional extensions
These additions can support the routine but are not defining steps of the system.
For a subject-specific plan, see Science study routines. Or return to all study principles and systems.
Sources and review
- Dunlosky et al. (2013): Improving Students’ Learning
- Agarwal et al. (2021): Retrieval Practice in Schools and Classrooms
Reviewed 2026-09-27. Examples and calendar schedules are editorial illustrations.