Have you ever heard the phrase 'it's not rocket science'? In English, we use this expression to mean that something is not very difficult to understand. Read the slides to get deeper into the meaning and on the last slide, you'll find some example sentences to help you practice using this expression in context. Don't worry, it's not rocket science! 🚀 #LearnEnglish #EnglishLanguageLearners #ESL #EFL #RocketScience #ScienceVocabulary #EnglishExpressions #Idioms