2 Discussion Question

· When you swab rubbing alcohol on your skin it feels cold for a few minutes- even though the alcohol has been sitting at room temperature. Explain the process that cools your skin in this case.

Question 2

· You are cooking soup on the stove with a metal spoon. You leave the spoon in the soup for a moment and when you try to pick it up, it is too hot to touch. Explain the process that made this happen. Come up with a solution that will allow you to stir your soup and explain it in terms of heat transfer and heat insulation as appropriate.

· You place a pot of water on the stove and bring it to a boil, the water begins to churn faster as the pot gets hotter. What kinds of heat transfer are taking place here? Describe all heat transfer methods that apply. Take into account the burner, the pot, and the water.

1. Reply to at least two fellow students with a follow-up question, comment, or a different perspective on their discussion questions.

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