Because sociologists study people, they tend to study data out in the field using real-world settings, while natural scientists tend to:

The sociologists study people and they tend to study data out in the field using “real-world settings” while natural scientists tend to perform experiments on living, non-living organisms and other natural things to get information about them.

The purpose of studying natural science is to understand the natural phenomena. The evidences of natural sciences are gathered from observation and experimentation.

Physical Science and Life sciences are two main branches of Natural Science. The tools from formal science such as mathematics and logics are used by Natural science to explain the statements of Law of Nature.