fabric - 4 chapter 4 - sorting materials into groups - 1 chapter 4 - sorting materials into groups - 2 chapter 4 - sorting materials into groups - 3 chapter 4 - sorting materials into groups - 4 chapter 5 - separation of substances - 1 chapter 5 - separation of substances - 2 chapter 5 - separation of substances - 3 chapter 6 - changes around us - 1 chapter 6 - changes around us - 2 chapter 6 - changes around us - 3 chapter 7 - getting to know plants - 1 chapter 7 - getting to know plants - 2 chapter 7 - getting to 