The nature of matter

 

Physicists study the properties of matter in the universe and how matter interacts through forces. One way to make these studies is to consider the individual components of matter itself. By studying the microscopic and sub-microscopic constituents of matter, physicists can often deduce how large bits of matter will interact.

There can, however, be conceptual difficulties in explaining physics at this sub-microscopic level. The minute particles that make up matter can be “seen” only by the effects they have on visible things, or by the gross phenomena that result when millions of them act together.

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