Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A?
a
It is warmer than Cube B.
b
It is larger than Cube B.
c
It is smaller than Cube B.
d
It is cooler than Cube B.
1 answer
The correct answer is d. It is cooler than Cube B. Energy and heat always flow from a hotter object to a cooler object, so if heat is flowing from Cube A to Cube B, it means that Cube A is at a lower temperature than Cube B.