This document contains a lesson plan for a 9th grade English class with the topic of famous inventors and their inventions. The objectives are to improve students' speaking, reading, vocabulary, and grammar skills. The lesson plan includes warm-up questions about inventions, a reading activity matching inventors to their inventions, a quiz, riddles about inventions to solve, a listening activity about Isaac Newton, exercises to practice the passive voice, and a conclusion where students express their opinions on important inventions and are assigned a homework composition.