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| Matter In Our Surroundings
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| Matter and its Forms
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| Take a look at your surroundings. You may find a pencil, a book, an apple, a table or a chair. Can you feel the air blowing? These are different forms of matter. One or more of our senses can recognize these. These objects
possess mass, occupy space and have different shapes, sizes and colours. All that we see, smell, taste or
touch around us consists of matter.
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| Matter can be defined as anything that occupies space, (i.e., has a volume), possesses mass, offers resistance and can be felt through one or more of our senses.
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| Till very recently, it was assumed that matter can neither be created nor destroyed. Scientists have established that there are two fundamental entities in the universe: Matter and Energy. They have also come to the conclusion that the total quantity of matter and of energy in the universe is constant. After the discovery of radioactivity, and work done by scientists like Einstein, it was realized that matter and energy are inter-convertible. It is this convertibility of matter into energy that is responsible for construction of atom bombs and nuclear reactors. Keeping these facts in mind, we can broadly define matter as "a condensed form of energy that has mass and extension in space and time."
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Matter In Our Surroundings
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