Three branches of science Essay

This essay has a total of 623 words and 6 pages.

three branches of science




Three Branches of Science








Andrew Rambo
Ms. Gardener
10th Grade Biology
September 11, 2000












Science is such a wide area that it is divided into branches. Biology, chemistry and
geology are three of these branches. Each branch of science are very different. They use
many of the same techniques in the study of the materials in their area of science, but
are very different materials.


Biology is the study of life and living things. The French naturalist, Jean Baptiste,
introduced the term, biology, in Germany during the 1800’s. Biology is also divided into
branches. Zoology, botany and anatomy are three of the major branches. Biology studies
the life of particular species and their behavior, development and history. What makes
biology different from the other branches of science is that it studies living things.


Chemistry is the branch of science dealing with the properties, composition and structure
of substances and the changes they undergo when they combine or react under specific
conditions. Chemistry deals mainly with components of material origin. Organic chemistry
is the only branch of chemistry defined as the study of substances produced by living
organisms. Physical chemistry is concerned with the physical properties of materials.
Chemistry deals with the states of matter. Through experimentation a chemist defines a
material by how it reacts under many different situations and how it reacts to other
materials. From the earliest recorded times, humans have observed chemical changes and
have speculated at their possible causes. By following the history of these observations
and speculations the gradual evolution of the ideas and concepts that have led to the
modern science of chemistry can be traced. In recent times, a great deal of research has
been at the atomic and molecular levels. The study of their reactive characteristics has
led to great advances in the use of the power of their reactions in the creation of
nuclear power.


Geology is the science of the Earth’s history, composition and structure. Geological
observations have been made since ancient times. The branches of geology are divided
between the study of the Earth’s landforms, petrology, geochemistry, geophysics,
structural geology and paleontology. Geology encompasses the study of the Earth’s
landforms and it’s surface features but is also concerned with the structure and inner
parts of the planet. The focus of applied geology is to search for useful minerals, stable
environments for human constructions and identify natural hazards. Oceanography is a
branch that studies the ocean floor, mapping and measuring the Earth’s surface and
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