To make an exam revision video from your own notes, start from the exam rather than the notes. Get the specification and two past papers with their mark schemes, check every specification point against your notes, and fill the gaps first. Then rewrite each point as the answer an examiner would credit, using the mark scheme's own wording, and put a question with a pause before every answer so the video tests you instead of just telling you. Paste that script into a tool like openCanviz with the wording kept exactly as written, and you get a short, chaptered video with one drawn diagram per idea. Expect 5 to 10 minutes per topic.

Why notes alone make a weak revision video

Your notes record what the teacher said, in the order they said it. The exam asks a different set of questions, in a different order, and credits specific words. A video built straight from notes inherits all three mismatches: it covers things that are never examined, misses things that are, and phrases answers in a way that earns half the marks.

The general method for converting notes into video, including how long a term of notes runs and what to cut, is in how to turn your class notes into a revision video. This post is about the narrower job: making the video exam-shaped, so that every chapter is an answer you could write down in the hall.

Step one: audit your notes against the specification

The specification (or syllabus, or course outline) is the list of everything you can be asked. Every exam board publishes it. Print the section for your topic and go down it line by line with your notes open.

Two things fall out of this every time. First, there are gaps, usually the required practicals and the one lesson you missed. Second, some of what you wrote at length is barely examined. Both change what goes into the video, and you only find them by doing the audit on paper before you write a single scene.

Step two: rewrite each point the way the mark scheme words it

Mark schemes are the most useful revision document most students never read. They show the exact words that earn a mark, and the words that are listed as "do not accept".

Take a typical note:

symp = fight/flight, HR up, pupils big, digestion off

That is a complete thought for you and zero marks in an exam. The rewritten version, in mark-scheme language:

The sympathetic division prepares the body for action. It increases heart rate, dilates the pupils, dilates the bronchioles and slows digestion. The parasympathetic division does the opposite: it slows heart rate, constricts the pupils and stimulates digestion and salivation.

Notice the command words, because they decide how much you have to say:

• State or name: one fact, no reason. "Spinal cord."
• Describe: what happens, in order, no reason needed.
• Explain: what happens and why. Most lost marks are an answer that describes when the question said explain.
• Compare: a similarity or difference stated for both things in the same sentence. "Sympathetic increases heart rate, whereas parasympathetic decreases it."

Write each chapter of your script to answer one real command word. That way the narration rehearses the shape of an answer, not just the facts inside it.

Worked example: the nervous system, one diagram per division

This is GCSE and early A level biology, a topic with a hierarchy diagram at its centre. The way to study the diagram itself, drawn from a blank page, is in how to study a diagram-heavy subject. Here the diagram is just the spine of the video. Each division gets its own chapter, its own drawing, and its own exam question.

And here is the actual script for chapter 3, written to be kept word for word:

Question. Describe the pathway of a reflex arc when you touch a hot plate. Four marks. Pause the video and answer it out loud.Here is the answer. A receptor in the skin detects the heat. A sensory neurone carries the impulse to the spinal cord. A relay neurone in the spinal cord passes it to a motor neurone. The motor neurone carries the impulse to the effector, a muscle in the arm, which contracts and pulls the hand away.The mark you are most likely to lose: saying the brain decides. It does not. The reflex goes through the spinal cord, which is why it is fast. The brain finds out afterwards.

That is about 110 words, so around 45 seconds at the usual 150 spoken words a minute. Six chapters like it make a video of four or five minutes, and every minute of it is something an examiner can ask.

Two details are worth checking against your own course. Some specifications spell it "neurone" and some "neuron"; use the one in your mark scheme. And some courses list the enteric nervous system of the gut as a third autonomic division. If yours does, add a chapter; if it does not, leave it out.

Build the pause into the script

The single most useful line in a revision script is "Pause the video and answer it out loud." It turns watching into retrieval, which is the part of revision that actually builds memory.

A few rules make it work:

• Put the question first, every time. If the answer is on screen before you have tried, you will read it and feel like you knew it.
• Say the marks. "Four marks" tells you how many points to produce before you press play.
• End each chapter on the lost mark. The most common wrong answer, stated plainly, is the line you remember in the exam.
• Keep the question on screen as a short label, not the whole sentence. The narration carries the wording; the drawing carries the structure.

Do not rely on a built-in silence for the pause. You will be tempted to wait it out. Press pause with your finger, answer, then play.

How to use it in the weeks before the exam

Make the video when you start revising a topic, not in the last week. Making it is where most of the learning happens, because the audit and the rewrite force you to fix every gap.

Then rewatch on a spacing schedule: the next day, three days later, a week later. Each time, answer the questions before the narration does, and write down any chapter where you got stuck. After every past paper you sit, add your new mistakes to the last chapter and rebuild only that scene.

If the exam is tomorrow and you have no video yet, do not make one. Read how to pass an exam in one day instead, which is about past papers and triage, not production.

Make it

1. 1

   Collect the specification and mark schemes

   Download your exam board's specification for the topic and the two most recent past papers with mark schemes. These decide what goes in, not your notes.

2. 2

   Audit your notes line by line

   Mark each specification point as keep, expand, rewrite or gap. Write the gaps first, usually the required practicals and anything from lessons you missed.

3. 3

   Rewrite every point as a marked answer

   One chapter per exam question. Start with the question and the marks, add the line 'Pause the video and answer it out loud', then the answer in mark-scheme words, then the mark people lose.

4. 4

   Paste it into openCanviz and keep your wording

   Choose Keep my wording so the narration is exactly what you checked against the mark scheme, set a target length of five to ten minutes, and pick whiteboard style so each diagram builds as the answer is spoken.

5. 5

   Check every label and arrow

   Pause on each scene and compare it with your textbook. Drafted drawings can put a label on the wrong part or an arrow the wrong way round. Fix those scenes in the editor, because you will memorise whatever is on screen.

6. 6

   Rewatch on a schedule and answer first

   Next day, three days, a week. Pause at every question, answer out loud, then play. Add new mistakes from past papers to the last chapter.

Common questions

What if my school does not give us a specification? Every public exam has one, published by the exam board. Search for the board name, the subject and "specification". For a university module, the module handbook's learning outcomes do the same job, and past papers are often in the library or on the course page.

Should I include the textbook's explanations too? Only to fill a gap the audit found. The textbook teaches from scratch; your video is for someone who has already been taught and needs to answer questions. Mark scheme wording beats textbook wording for this.

Can I make one video for the whole subject? Make one per topic. A topic video of 5 to 10 minutes is short enough to rewatch on a bus, and you can rebuild one chapter without touching the rest.

Is a generated voice fine, or should I record my own? Either works. Some students remember their own voice better, and you can replace the generated narration with your own recording. If you are tired of hearing yourself, keep the generated voice.

Is watching this enough revision? No. It is a structuring and spacing tool. The pause-and-answer habit makes it closer to self-testing, but past papers done under timed conditions are still the main event.