Science has no king, it is an explanation of things around us and is split into areas to explain different aspects of the universe. But the one which does not necessarily depend on the others is Physics.
Another view.
Science does have a "king," and it includes all contemporary sciences and covers all aspects of the universe seen and unseen, objective and subjective, physical and nonphysical, dimensional and multidimensional, conscious and unconscious and it is "Metaphysics."
King Krum called the Royal Math Science Teacher his favorite subject.
Sterling Price King has written: 'Science vs. evolution' -- subject(s): Evolution
Donald Ward King has written: 'Scientific journals in the United States' -- subject(s): Periodicals, Science, Engineering, Communication in science, Communication of technical information
Kenneth P. King has written: 'Technology, science teaching, and literacy' -- subject(s): Science, History, Study and teaching, Technological innovations, Audio-visual aids
Rupert Wearing King has written: 'Which sixth?' -- subject(s): Biology, Mathematics, Science, Vocational guidance
Jeffrey Hamilton King has written: 'Phenomenology and meta-social science' -- subject(s): Phenomenology, Social sciences
yes it is a social science subject.
Bucky Sinister has written: 'King of the roadkills' -- subject(s): American Science fiction, Literary collections, Punk culture, Science fiction, American
Jessie Charles King has written: 'Political and social philosophy' -- subject(s): Addresses, essays, lectures, Political ethics, Political science
DeWitt Steele has written: 'Science of the physical creation in Christian perspective' -- subject(s): Geophysics, Science 'Science' -- subject(s): Science, Problems, exercises 'Science' -- subject(s): Science, Problems, exercises 'Science of the physical creation in Christian perspective' -- subject(s): Study and teaching (Secondary), Science, Geophysics, Creationism
Henry Frith has written: 'King Arthur and his knights of the Round table' 'Practical palmistry' -- subject(s): Palmistry 'Ascents and adventures' -- subject(s): Mountaineering 'King Arthur and his knights' -- subject(s): Juvenile literature, Legends 'Graphology, or, The science of character in handwriting' -- subject(s): Graphology
The answer to the riddle is "a chess piece," specifically, the pawn. In chess, a pawn can become a different piece, such as a queen, once it reaches the opponent's back row and promotes.