Use questions as retrieval practice
Trying to recall an answer strengthens access to knowledge more than immediately rereading it. Make a choice before revealing the explanation, even when uncertain.
Confidence matters: an incorrect answer held with high confidence reveals a misconception worth reviewing, while a low-confidence correct answer may still need reinforcement.
Connect facts to a structure
A capital is easier to remember when linked to region, language and neighbouring countries. A historical date becomes clearer when placed between a cause and a consequence.
Ask one follow-up question: where, when, why or what changed next? The extra relationship gives the fact more routes back into memory.
Return after a useful delay
Reviewing immediately can feel fluent without creating durable recall. A later question in a different format is a better check of what remained.
Keep sessions varied and short. Mixing geography, history, science and culture prevents one category from dominating the score and keeps curiosity active.