Which would be best categorized as heat transfer by convection? a) wearing a white shirt to stay cool on a summer day. b) noodles rising and falling in a pot of boiling water c) touching a metal spoon that is sitting in a pot of boiling water d) using a heating blanket to get warm

Option (B) is the correct answer.

Explanation:

When a substance or fluid is heated then due to the heat less dense material rises whereas more denser (cooler) substance sink at the bottom under the influence of gravity.

As a result, heat transfers from hotter to colder substance.

For example, noodles rising and falling in a pot of boiling water represent convection process.

Thus, we can conclude that noodles rising and falling in a pot of boiling water would be best categorized as heat transfer by convection.

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