[ Answer this question ] Want to answer more questions in the Relationships category? Maybe give some free advice about: Work/School Relationships? MFS answered Tuesday January 11 2005, 11:09 pm: uhh... yeah... it gets hot.<br>
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Or perhaps you are looking for "its movement speeds up" - such as heat being caused by vibrational energy of the material in question? Some material will undergo a physical change in state, such as melting, or perhaps just a glassy transition temperature (such as a plastic getting softer as it is heated), or even sublime into a gaseous form.<br>
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By heating matter, you are putting energy INTO the material, thus applying some form of radiation or friction. Either way, the atoms that make up the material begin to move with more vigor, as that is what "heat" essentially is. When objects lose heat (radiation), it is because this vibrational energy is being given off into the material surrounding it, like the air around it, or perhaps the table it is sitting on. [ MFS's advice column | Ask MFS A Question ]
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