What Are The Sub Branches Of Applied Science?

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There are three main branches of sciences which means that scientific subjects can be divided into these three topics, depending on the nature of that subject and what it studies.

The first branch of science is known as the Physical Sciences, which includes three subjects.

• Physics - The study of the interactions of energy and matter. Physics also covers subjects such as time, light and gravity.
• Chemistry - The study of the properties, composition, structure and reactions of matter.
• Astronomy - The study of the Universe and what lies beyond the Earth's atmosphere.

The next branch of science is known as Earth Sciences, which includes four subjects.

• Geology - The study of the history, origin and the structure of the Earth, including the biological, physical and chemical changes that the Earth has experienced, is currently experiencing or will at some point in the future.
• Meterology - The study of the atmosphere and its phenomena, such as the Earth's climate and weather.
• Oceanography - The study and exploration of the ocean and the creatures that live there.
• Paleontology - The study of all forms of life that existed in geologic or prehistoric times.

And finally we have the branch of Life Sciences, otherwise known as biological sciences, which includes four subjects.

• Botany - The study of plants and their uses.
• Genetics - The study of genes and the role that they play in our bodies.
• Medicines - The study of diagnosing, treating and preventing disease, illness and injury.
• Zoology - The study of animals and animal life.

Some people also class Social Sciences to be a subdivision of sciences. Although these subjects are not considered to be "traditional" sciences.

• Anthropology.
• Economics.
• History.
• Political science.
• Psychology.
• Sociology.

As science expands and we discover more about our planet and the universe we live in, it is possible that these branches of science overlap:

• Physics and Chemistry - Physical Chemistry.
• Biology and Chemistry - Biochemistry or Organic Chemistry.
• Geology and Chemistry - Geochemistry.
• Astronomy and Physics - Astrophysics.
• Biology and Geology - Paleontology.
• Geology and Astronomy - Astrogeology.
• Biology, Astronomy and Physics - Astronautics.

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