Ladybird Do You Know? is a STEM-based ELT graded reading series, with simplified video, designed for children learning English as a foreign or second language. Why do tree frogs like rain? How do animals live in very cold places? Find out all about bad weather, hot deserts and snowy mountains. Do You Know? is a series of levelled non-fiction books featuring video content, project work and critical-thinking activities to motivate and engage young learners. Covering a range of STEM topics from nocturnal animals to climate change, Do You Know? takes an enquiry-based approach, developing children's language, communication and investigation skills. Recommended for children aged 7+, there are four levels progressing from CEFR level Pre-A1 to level A2. Each reader is accompanied by online video content, audio, video and comprehension activities, and suggestions for project work. This Level 2 Reader is A1 in the CEFR framework and supports YLE Movers exams. Short sentences contain a maximum of two clauses, introducing the past tense and some simple adverbs. Text adapted by Rachel Godfrey.