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Transcript
THE LATENT HEAT QUIZ 1. Complete the following statements. Latent heat is the term used to describe the quantity of heat either absorbed or _____________by a substance as it changes ______. Melting and _______________ are processes that require heat to be added. __________ and condensing are processes that release heat. 2. When a solid is in the process of changing state to a liquid, does it’s temperature increase, decrease or remain constant? Answer________________________________________________ 3. When liquid water is heated and starts to evaporate into water vapour, what is the heat energy being used for? Answer__________________________________________________________ 4. Complete the following statements. Warm air rises because it is less ________ than cold air. Air will cool by ______ every _____ metres, as long as condensation is not taking place. When water vapour condenses to make clouds, ____________ is being released into the atmosphere. 5. Scientists are investigating latent heat processes in order to improve weather _________________________.
