What are the 5 Main Branches of Science?

Science is an amazing and fascinating field that is constantly advancing and changing. Science is the study of the natural world, which includes all living things, the Earth, and the universe. Science helps us understand our world and how it works. This article answers the question “what are the 5 main branches of science?”.

What are the 5 Main Branches of Science?

The 5 main branches of science are the following:

  • Physical Science
  • Biological Science
  • Social Science
  • Earth Science
  • Applied Science

What is Science?

Science is the study of the natural world and the knowledge of how it works. It is not a single field, but rather a collection of many different fields that study subjects like chemistry, biology, physics, and astronomy. 

Some people use science to develop new products and technologies while others use it to improve the quality of life. Science can also be defined as a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. 

It uses observation, experimentation, and logical reasoning to develop new knowledge. The scientific method has been a powerful tool for understanding the natural world, but it has also been used to study social and psychological phenomena such as human behavior.

Science has even helped us explore space and the depths of the ocean. It helps us create inventions and new technologies that help in our everyday lives. 

Science also helps us understand things like the seasons, how the earth works, and how to grow plants and animals. Science has been a part of our lives for a long time and it will continue to help us in the future.

What is Physical Science?

Physical science is the study of matter and energy, and how they interact with each other. Physical science is also the study of how matter and energy move and change. 

This includes everything from how molecules are arranged to how the stars in the sky work. The study of physical science is important because it helps us understand how things work and what makes them work.

Physical science is the branch of science that deals with the physical phenomena of the universe, and how it affects our lives. It is a very broad term that includes topics such as physics, chemistry, astronomy, and geology. Examples of physical science topics include:

  • The effect of gravity on your body
  • The way air moves
  • How sound travels
  • The motion of objects
  • The color of light
  • The speed of light
  • The study of force and motion

Physical science has been around for centuries, but it is only in the last 100 years that it has become real science. It has evolved from the simple study of nature to a science that is used in many fields of study. 

It is also an important part of the world’s economy and technology. The history of physical science began in ancient Greece and Rome. In the late 1800s, scientists began to use the term physical science to refer to the natural sciences, which included chemistry, physics, and astronomy.

What is Biological Science?

Biological science is the study of living organisms, from their origins to how organisms grow, how they reproduce, and how they interact with their environment. 

Biological science also includes the study of disease and its environmental impact on living organisms. It also focuses on the structure, function, evolution, and distribution of living things.

The field of biological science covers a wide range of topics from molecular biology to ecology. It is also considered one of the main branches of science.

Biologists study the living world in a variety of ways, including how and why different species evolved, how genes work, and how life cycles are formed. Biologists also study living organisms to develop cures for diseases and to help protect the environment.

There are many branches of biological science including biochemistry, botany, zoology, microbiology, genetics, cell biology, microbiology, and many more.

What is Social Science?

Social science is the study of human behavior. It is the scientific study of human beings and their relationships with one another. Social scientists are often referred to as social scientists or social scientists. 

Social science can be defined as a scientific discipline that studies society and human behavior from a holistic perspective. There are many different types of social science including:

  • Anthropology
  • Archaeology
  • Economics
  • Geography
  • History
  • Law
  • Linguistics
  • political science
  • Psychology
  • Sociology
  • Women’s studies

Social scientists look at things like culture, law, economics, society, and politics. Social scientists can study these things in many different ways. 

They might do research in a laboratory, talk to people who are experts in the field or just observe society to see what is happening. Social scientists might also use statistics to analyze social data. 

Social science is a broad field that touches on a lot of different disciplines and topics and they may study a variety of topics such as how people make decisions, how societies function, and how social relationships develop.

What is Earth Science?

Earth science is the study of the Earth, its natural history, its natural processes, its physical properties, its formation, and its interactions with the Universe. 

It is the study of the Earth’s dynamic processes and interactions with the environment and other celestial bodies. Earth science is an interdisciplinary field that draws on geology, astronomy, hydrology, oceanography, and meteorology.

Earth science is a huge subject and can be really overwhelming. The Earth is a planet that is made up of several layers. The crust is the thin layer that we live on, the mantle is the thick layer that contains the core, and the core is the center of the Earth. 

Earth’s surface is made up of land and water.  The water covers about 70% of Earth’s surface and it is mostly in the form of oceans, seas, and lakes. 

The atmosphere is made up of gases like oxygen, nitrogen, carbon dioxide, and water vapor.  These gases keep us alive by creating a balance in the Earth’s environment. 

Our planet also has an axis with a north pole and a south pole. Earth science is one of the most important sciences because it helps us understand how the Earth functions and how to protect it.

What is Applied Science?

Applied science is a way of using science to solve problems in a practical way. For example, applied science could be used to improve or create products for use in everyday life. 

If you are trying to make a product that is better for the environment, then you can do an applied science project on how to make a better product.

Applied science is the application of scientific knowledge and techniques to practical problems. It is not just a science, but also a profession that uses scientific principles and techniques to solve problems in the real world. 

The goal of applied science is to create or improve something that can be used in everyday life. Applied science is an umbrella term for a number of scientific disciplines that include engineering, technology, and mathematics. 

The discipline is sometimes referred to as the “practical sciences” or “applied sciences”. Applied science is a field of study that is essential to human health and well-being. 

One great example of applied science is medical science. It is considered applied science because it applies scientific principles to the study of health and disease.


Science is one of the most important things in our society. It has helped us figure out how to make food, water, and clothing last longer. Science has also helped us figure out how to cure diseases and find cures for cancer. 

Frequently Asked Questions (FAQs): what are the 5 main branches of science?

What is the goal of science?

The goal of science is to provide knowledge and understanding about the natural world. Science is not just about finding out about the world, but also about how we can use that knowledge to solve problems and make our lives better.

Who is the father of science?

Galileo Galilei was a famous Italian astronomer, physicist, mathematician, and philosopher who made a major contribution to the science of motion and astronomy. He was an influential figure in the scientific revolution and is often referred to as the “father of modern science.” Galileo’s contributions to science include the telescope, laws of motion, and support for Copernicanism.

What are the other sciences?

Other sciences include Computer Science, Data Science, Systems Science, Forensic Science, Political Science, and many more.


Chalmers, A. F. (2013). What is this thing called science?. Hackett Publishing.

Hull, D. L. (2010). Science as a Process. In Science as a Process. University of Chicago Press.

Ziman, J. (2001). Real science: What it is, and what it means.

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Branches of Science – Video & Lesson Transcript – Study.com. Retrieved from https://study.com/academy/lesson/the-main-branches-of-science.html