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Test your knowledge on energy transformations with this interactive quiz. Identify whether various processes are endothermic or exothermic.
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Clicker #1 Which is lower in potential energy and more stable? unburned match or burned match A) unburned match B) burned match
Example #1 Is the freezing of water an endothermic or exothermic process? (The system is underlined.) Exothermic
Clicker #2 Is the boiling of water an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic
Example #2 Is an activated cold pack an endothermic or exothermic process? (The system is underlined.) Endothermic
Clicker #3 Is an activated hot pack an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic
Clicker #4 Is a racquetball frozen by liquid nitrogen an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic
Example #3 Is the thermite reaction (the chemical reaction) an endothermic or exothermic process? (The system is underlined.) Exothermic