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Convection (Science Dictionary)

Convection: The transfer of heat through a fluid (liquid or gas) caused by molecular motion. In the atmosphere, convection usually refers to the vertical movement of air masses. An example of convection is the rising of warm surface air and the sinking of cold air from upper levels of the atmosphere.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
_ខាងក្រោមនេះជាសៀវភៅនិងឯកសារសម្រាប់ការងារនិងរៀនគ្រប់ប្រភេទ៖
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