Thermodynamics Principles Worksheet
A Grade 12 Science worksheet covering fundamental principles of thermodynamics, including laws, heat transfer, and entropy.
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Topics
Thermodynamics Principles
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Read each question carefully and answer to the best of your ability. Show all work for calculation problems.
1. Which of the following best describes the First Law of Thermodynamics?
Heat always flows from hot to cold.
The total entropy of an isolated system can only increase over time.
Energy cannot be created or destroyed, only transferred or changed in form.
It is impossible to reach absolute zero temperature.
2. What is the primary characteristic of an adiabatic process?
Constant temperature
No heat exchange with the surroundings
Constant pressure
No change in volume
1. The efficiency of a heat engine can be 100% according to the Second Law of Thermodynamics.
True
False
2. Entropy is a measure of the disorder or randomness of a system.
True
False
1. The Zeroth Law of Thermodynamics deals with the concept of equilibrium.
2. Heat transfer by direct contact between particles is known as .
1. State the Second Law of Thermodynamics in terms of entropy.
2. Explain the difference between an isobaric and an isochoric process.
Match each term with its correct definition.
1. Conduction
a. Transfer of heat through fluid movement
2. Convection
b. Transfer of heat through electromagnetic waves
3. Radiation
c. Transfer of heat through direct contact
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