Question 1
What is thermal equilibrium?
Question 2
Which process transfers thermal energy by direct contact between particles?
Question 3
Which statement best describes convection?
Question 4
An object gains $500\,\text{J}$ of heat and does $200\,\text{J}$ of work on its surroundings. What is the change in its internal energy, $\Delta U$?
Question 5
A metal spoon feels colder than a wooden spoon in the same room. Why?
