Year 11 students are preparing for exams by revising hard and maintaining a healthy lifestyle with exercise, nutrition, and sleep. The document provides tips for effective revision including creating flashcards, mind maps, and notes; using different colors and highlighting; knowing the key topics and examples; and using checklists from teachers or specifications. Students are also encouraged to revise for Earth Hour on Saturday March 28th from 8:30-9:30pm by candlelight to help save the planet.