- 1. A measure of the average kinetic energy of the particles that make up a material
A) thermal energy
B) heat
C) temperature
D) specific heat
- 2. This is the sum of all the kinetic and potential energy within a substance. It is also known as “internal energy” .
A) intrinsic energy
B) thermal energy
C) nuclear energy
D) chemical energy
- 3. This is the condition when materials of two different temperatures come into contact. Heat is transferred from the warmer material to the cooler material until they reach the same temperature.
A) thermal stasis
B) thermal neutrality
C) thermal equilibrium
D) thermal equivalence
- 4. This law of thermodynamics states: Objects in contact with one another are in thermal equilibrium if they have the same temperature.
A) third law
B) zeroth law
C) second law
D) first law
- 5. The energy that is transferred between objects because of a difference in temperature.
A) latent
B) heat
C) binding
D) temperature
- 6. Which of these is NOT a temperature unit?
A) Joule
B) Kelvin
C) Celsius
D) Fahrenheit
- 7. What is the value of absolute zero on the Kelvin temperature scale?
A) 0
B) 212
C) 32
D) 100
- 8. What happens to particle motion when an object reaches absolute zero?
A) particles do not move at all
B) particles move at the speed of light
- 9. This is the method of heat transfer that occurs when two materials are in physical contact.
A) radiation
B) convection
C) conduction
- 10. Which of these materials is considered to be a conductor?
A) fur
B) iron
C) wax
- 11. Which of these materials is considered to be an insulator?
A) copper
B) glass
C) aluminum
- 12. This is one method that is often used to identify an unknown substance by determining it's specific heat.
A) radiometry
B) spectroscopy
C) telemetry
D) calorimetry
- 13. Convert 346 Kelvin to Celsius.
A) 104
B) 73
C) 619
D) 174
- 14. Convert 98 degrees Fahrenheit to Celsius.
A) 234
B) 37
C) 52
D) 208
- 15. The coefficient of thermal expansion for aluminum is 24 E - 6. An aluminum rod that is 2.0 meters long is initially at 40 degrees Celsius is heated up to 160 degrees Ceslsius. Determine the increase in its length.
A) 0.0019 m
B) 0.0067 m
C) 0.0058 m
D) 0.0048 m
|