natural science,social sicence,the relationship of natural and social sicence
natural science
n.
A science,such as biology,chemistry,or physics,that deals with the objects,phenomena,or laws of nature and the physical world.
social science
n.
1.The study of human society and of individual relationships in and to society.
2.A scholarly or scientific discipline that deals with such study,generally regarded as including sociology,psychology,anthropology,economics,political science,and history.