Chemistry plays an important role in our changing world. Chemistry is a branch of physical science that deals to the study of the composition, properties and behavior of matter. Atom is the fundamental component of matter, is the basic unit of chemistry. Chemists focus on the components of different things. They examine their reaction with other materials brought about by the changes through technology, resulting into many useful products beneficial to our day to day living.
Chemistry considered "the central science" because it joins physics and mathematics, biology and medicine, and the earth and environmental sciences.
Chemistry is a branch of physical science that deals with the study of the physical world around us. But chemistry is distinct with physics.
Chemistry explained everyday experiences we observe and encounter. It contributes also to the understanding of other sciences.
Like in the case of biological sciences which deal with the study of living things. The growth of the plants and animals can be explained in terms of chemical reactions going on each organisms. Chemistry explains the symbiosis between the animals and the plants illustrated by by oxygen-carbon dioxide.
Physics is a science that deals with motions, force and energy. Study of physics has a contribution of chemistry. Motion and force of an object depends on the amount of matter; that is chemistry-related. Energy is moved through different media of matter and the particles of matter account for the speed of energy transmission. Another thing is that, at times, energy is exude as a result of chemical change.
Other fields of science also rely on the study of chemistry. Knowledge of chemistry helps a geologist understand the origin and composition of the earth and its life as recorded in rock history. Atmospheric phenomena, as in the study of meteorology, can also be explained by the composition and behavior of gases in air. Similarly, the behavior and composition of the ocean water in the study of oceanology are likewise explained by chemistry. Even astronomy, which deals with the study of heavenly bodies, considers knowledge of hot gaseous elements and nuclear reactions occurring as stars emit light.
In nursing and medicine, new drugs for healing were developed. Included sulfa drugs, anesthetics, steroids, antibiotics and synthetic vitamins. These are as valuable as the development of new surgical procedures in medicine. Chemists are working with medical doctors in searching for cures for dreaded diseases like cancer and AIDS (Acquired Immune Deficiency Syndrome).
In nutrition, the deficiency of enough food and nourishment is serious especially in Third World countries such as in Africa. Millions of people starve to death due to this serious problem. It is the scientist', especially the chemists' concern to focus efforts in yielding more food to feed the world's growing population.
In psychology, chemistry plays an important role in specialized programs for mental health and rehabilitation of drug dependent.
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