What is Physics,Chemistry and Biology?

What is Physics, Chemistry, and Biology?

Physics is a branch of science that deals with matter and energy and their interactions in the fields of mechanics, acoustics, optics, heat, electricity, magnetism, radiation, atomic structure, and nuclear phenomena.

Chemistry is a branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine,and change; and the use of these processes to form new substances.
Biology is a branch of science that deals with living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin and distribution.