Physical science is a broad term encompassing the various branches of natural science that study non-living systems. Physical science comprises four general areas: physics, astronomy, chemistry, and the Earth sciences. Each of these is, in turn, split into fields and subfields. This article examines the historical development, scope, principal concerns, and methods of Physical Science.
The physical science’s foundations lie upon fundamental theories and concepts, each of which describes and models a certain aspect of the behaviour of nature. As with other sciences, these pivotal theories and concepts were discovered using the scientific method. In the next few sections, let us go through the basic principles of the four branches of Physical Science.
Physics is a fundamental science because other natural sciences deal with systems that obey physics laws. The physical laws of energy, matter, and nature’s forces govern the interactions between particles, such as atoms and molecules. Some basic principles of physics are:
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Chemistry is notably known as the science of matter, specifically at the micro-level. It mainly deals with compounds and elements, and the formation of atoms, molecules, and ions. Chemistry also studies the composition, structure, behaviour, properties, and the changes that compounds and elements undergo during a reaction with other substances. The study of Chemistry mainly includes the following:
Astronomy is the science of heavenly bodies and their interactions in space. Its studies mainly entail the following:
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Earth science is the study of the planet Earth, the only life-bearing planet in the solar system. Its studies mainly include:
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A few points of importance of physical science in our daily life are as follows:
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Physical science is the study of non-living systems and it does not study living things, unlike biological sciences. Physical science comprises four general areas: physics, astronomy, chemistry, and the Earth sciences.
Studying physical science develops the intellect. When we understand various concepts, it enables us to interpret situations and make judgments wisely. Physical science also moulds reasoning ability and logical reasoning in an individual, apart from developing the intellect.
Chemistry is one of the sciences that is mostly affected by physics. Branches of chemistry such as electrochemistry are based on physical laws. Even many biological processes, such as transportation of stimulus, blood circulation, are based on physical science principles.
Galileo Galilei is considered the “Father of science”.
Physical Science helps us understand the world better.
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