This ready-to-use cover lesson, based on my atoms, elements, and compounds lesson, allows GCSE / High School students to work independently and develop their understanding of the link between atoms, elements, and compounds through clear explanations and engaging activities. Ideal for unexpected staff absences. This is the 1st in a series of lessons and covers the content from the AQA GCSE 4.1.1(.1) A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes topic a