Traditional Culture Encyclopedia - Traditional culture - Seeking the answer to a physics problem in junior high school
Seeking the answer to a physics problem in junior high school
1. Oil is less dense than water, so it floats on the surface of soup.
2. The oil film blocks the contact between the soup and the air (reduces the surface area of the liquid) and slows down the evaporation and heat absorption of the soup, so the actual temperature of the "soup that looks like it doesn't even emit hot air" is very high.
3. Heat transfer occurs between hot soup and raw meat slices, and the food is cooked.
If the answer "steaming" belongs to liquefaction, it is ok, but it is not as good as the above.
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