Notes across biology, chemistry and physics for the topics Paper 1 and Paper 2 examine most, then past-paper multiple-choice questions with every answer taken from Cambridge's own mark scheme.
Taking Cambridge IGCSE Combined Science 0653? Open the 0653 notes in the portal rather than working from this page. 0653 is the single award and 0654 the double award, and the difference is not only one of size. 0654 examines coordination and response, inheritance, variation and selection, and nuclear physics; 0653 examines none of those four. It runs the other way too, because 0653 asks for the energy transfer in cells, batteries, generators and motors, and 0654 has no equivalent. Reading this page and skipping the extra parts would leave you revising four topics you cannot be asked about, and short of one you can.
Open the Sciences portal →