How to make revision cards that actually help

Revision cards (flashcards) are one of the best ways to learn facts, key words and equations. But many students make them the wrong way: they copy a whole page of notes onto a card and then just read it. Here is a better way.

Rule 1: one question on the front, one answer on the back

Front: What is the function of the mitochondria?
Back: Site of aerobic respiration, which releases energy.

Short and clear. If the answer is longer than three lines, split it into two cards.

Rule 2: ask, do not tell

The front of the card should be a question, not a heading. "Osmosis" on the front is weak. "Define osmosis" or "Why do plant cells not burst in pure water?" is much better, because it makes you think.

Rule 3: use your own words

Copying word for word does not help much. Put the idea in your own words, then check that it still matches the key words your exam board uses.

Rule 4: add a picture when you can

A quick sketch of a cell, a circuit symbol or a graph shape helps you remember. You do not need to be good at art.

Good things to put on cards

• Key word definitions
• Equations and units (e.g. speed = distance ÷ time, m/s)
• Chemical tests and results
• Maths formulas and rules (e.g. angles in a triangle add up to 180°)
• Required practical steps

How to use them: the three-box system

1. Put all new cards in Box 1. Test yourself on Box 1 every day.
2. If you get a card right, move it to Box 2 (test every 3 days).
3. Right again? Move it to Box 3 (test once a week).
4. Get any card wrong? It goes back to Box 1.

This gives you spaced practice without any planning. You spend most of your time on the cards you find hard.

In short

Make cards short, ask a question, use your own words and use a box system. Ten minutes a day with good cards beats hours of rereading notes.