Noun
the sciences involved in the study of the physical world and its phenomena
Source: WordNetNatural science does not consist in ratifying what others have said, but in seeking the causes of phenomena. Albertus Magnus
Natural science served as - if we overlook the hasty identification of mind and matter which had its origin in natural science - as a shining and fruitful example to psychology. Hermann Ebbinghaus
In natural science the principles of truth ought to be confirmed by observation. Carl Linnaeus
As the prerogative of Natural Science is to cultivate a taste for observation, so that of Mathematics is, almost from the starting point, to stimulate the faculty of invention. James Joseph Sylvester
The assumption that nature is all there is, and that nature has been governed by the same rules at all times and places, makes it possible for natural science to be confident that it can explain such things as how life began. Phillip E. Johnson
The belief in an external world independent of the perceiving subject is the basis of all natural science. Albert Einstein