T he term science comes from the Latin word scientia , which means “knowing.” It is used to describe a huge group of subjects that deal with the search for knowledge about the universe and all that is in it.
Some scientists study science solely to learn more about a particular subject. These scientists are studying basic, or pure, science . The knowledge they get from their projects may or may not be used in everyday life.
Other scientists apply the information from their projects, as well as from pure science, to solve specific problems. These scientists are involved in applied science . Applied science is used in business, industry, and medicine.
Scientific subjects can be grouped into three branches:
the physical sciences,
the life sciences, and
the social sciences.
S ome sciences may belong to two or more branches at the same time.
The physical sciences deal with nonliving things—from the tiny particles that make up an atom to the universe itself. They include
P aleontology is the study of fossils .
C omputing .
G eology ;
E ngineering ;
P aleontology ;
The life, or biological, sciences deal with living things and their environments. They include biology and medicine.
L ife sciences B iology M edicine
Biology is the study of living things. Biologists try to understand how the natural world functions. Because it is such a big topic, biology is usually divided into separate branches, or fields of study. Biology Botany Zoology
Medicine is concerned with the maintenance of health and the prevention and cure of disease. There are different fields in it.
P athology P sychiatry A natomy Medicine
The social sciences are fields of study about human life and behavior. People who study social sciences look at how people think and act. They also study how people form groups and relate to other people.
Antropology is the study of humans and their cultures throughout history. Political science is the study of governments . The main social sciences are anthropology psychology sociology economics political science
Some people consider other subjects to be social sciences, too. These subjects include