Question: Assume the two samples in the image (A on the left, B on the right) are immediately placed into a freezer held at a constant −5 °C. After 30 minutes, on which sample’s cut surface is the juice most likely to begin forming frost first?
A. The juice on sample A
B. The juice on sample B
C. Both begin freezing at the same time
D. At this temperature, neither will freeze
Clues:
1. There are two cut, upright sections of a green, bumpy-skinned cucumber.
2. A white strip of material is placed over the top cut surface of each cucumber section.
3. The strip on the left cucumber is mostly white and appears dry, except for a small blue area where it contacts the cucumber flesh.
4. The strip on the right cucumber is saturated with a blue-green liquid that has soaked a large portion of the strip.
5. The wet portion of the strip on the right cucumber has a textured, almost crystalline appearance.
Answer: A
Category: Physics