30. The transfer of heat between two objects that are in contact but not touching is called:
A) Conduction
B) Radiation
C) Convection
D) Insulation
31. Which of the following is not a factor that affects the rate of heat transfer?
A) Temperature difference
B) Surface area
C) Color of the material
D) Thermal conductivity
32. The heat required to raise the temperature of one gram of a substance by one degree Celsius is called:
A) Specific heat
B) Heat capacity
C) Latent heat
D) Enthalpy
33. Which of the following materials has the highest specific heat?
A) Water
B) Aluminum
C) Iron
D) Glass
34. Which of the following statements is true about thermal expansion?
A) All materials expand when heated
B) Only solids expand when heated
C) Only liquids expand when heated
D) All materials contract when heated
35. The measure of the average kinetic energy of the particles in a substance is called:
A) Heat capacity
B) Specific heat
C) Temperature
D) Thermal conductivity
