Section 3: Thermodynamics

Question 1

Thermodynamics

Answer 1

The study of the movement of heat and its ability to do work

Question 2

Hot to Cold Transfer

Answer 2

Occurs when the hot faster moving particles bump into the cold slow moving ones transferring the motion and giving the cold particles momentum

Question 3

Laws of Thermodynamics

Answer 3

1: Energy can change forms but is neither created nor destroyed

2: Heat always flows from a hot object to a cold object

Question 4

Efficiency

Answer 4

• The comparison of the amount of useful energy produced or the output energy and the original amount of energy used or the input energy
• Efficiency is never 100%