Useful notes help you reconstruct an explanation later. Copying every sentence can produce a complete-looking page while leaving the relationships between ideas unclear. A question-based page gives your notes a purpose. Divide a page into questions, answers, and a short summary. Write a question such as “Why does evaporation cool a surface?” beside an explanation in your own words. Add a labelled sketch when it makes the relationship clearer. Keep unfamiliar terms with their meanings. After class, hide the answer column and respond to the questions aloud. Compare your response with the original material. Mark uncertainties instead of turning guesses into facts. A neat page is useful only when its content is accurate and understandable. Try it today: Turn one page of existing notes into five questions. Finish with a two-sentence summary connecting the main ideas.