The cooling effect of evaporation and how this contributes to maintaining constant body
temperature.
Use the knowledge of kinetic theory to discuss and explain the importance of evaporation in
preventing the body from overheating on a hot day.
Explain why the body surface feels cooler after spraying an alcohol based sanitizer onto it.
Extra research.
Find out, draw and label a cooling and boiling curve for naphthalene or ice.



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