Heat Flow Flashcards
1
Q
How does a solid object made of a single material expand when its temperature increases?
A
It expands across all dimensions
2
Q
What does a substance’s coefficient of thermal expansion describe?
A
It describes how much it expands per degree of temperature increase.
3
Q
From what temperatures does heat flow?
A
It flows from high temperature to low temperature.
4
Q
What happens to a system’s temperature when more energy is added than is lost?
A
Its temperature increases
5
Q
What happens to a system’s temperature when more energy is lost than is added?
A
Its temperature decreases
