Guide Questions: 1. What happened to the exposed end of the spoon when you touched it after five minutes? 2. What happened to the water inside the mug after five minutes? 3. What did you notice about the outside surface of the mug when you touched it? Why? 4. What conclusion about heat transfer can you formulate or draw out from this activity?
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1.) The rapidly moving molecules in the boiling water bump the molecules in the metal spoon. This bumping transfers kinetic energy to the molecules that make up the spoon, causing them to vibrate faster. ... The reason the hot spoon burns your hand is because heat is transferred to your skin by conduction.
2.) This transfer of heat occurs from the hot coffee and hot mug to the surrounding air. ... The transfer of heat from the hot water through the metal can to the cold water is referred to as conduction.
3.) Use pot holder or gloves so you won't get your finger.
Explanation:
sorry hangang no.3 lg poh alm q.