The study of living things. It encompasses the cellular basis of living things, the energy metabolism that underlies the activities of life, and the genetic basis for inheritance in organisms.
The study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
Physics deals with the fundamental particles of which the universe is made, and the interactions between those particles, the objects composed of them (nuclei, atoms, molecules, etc) and energy. Physics is the science of Nature - of matter and energy in space and time.
Science KS3 Years 7 & 8 Overview