Course Outline
Thermal physics explains how energy is transferred, stored, and transformed through heat and temperature. From boiling water and cooling buildings to the life cycles of stars and the operation of engines, thermal energy influences countless natural phenomena and technological applications. In this course, students investigate the behavior of matter at the particle level and discover how microscopic interactions produce the thermal effects observed in everyday life.
Unit 1: Temperature and Matter
Students begin by exploring the meaning of temperature and how it relates to the motion of particles. They investigate states of matter, the particle model, thermal expansion, and the distinction between heat and temperature, building the conceptual foundation for the remainder of the course.
Subtopics
- Temperature Scales
- States of Matter
- Particle Model
- Thermal Expansion
- Temperature and Heat
Unit 2: Heat Transfer
Students investigate how thermal energy moves between objects and systems through conduction, convection, radiation, and evaporation. They also examine thermal equilibrium, insulation, and engineering applications of heat transfer.
Subtopics
- Thermal Equilibrium and Heat Flow
- Conduction
- Convection and Phase Change
- Radiation
- Applications of Heat Transfer
Unit 3: Thermal Energy and Calorimetry
Students develop quantitative methods for analyzing thermal energy. They study specific heat capacity, latent heat, heating and cooling curves, calorimetry, and practical applications involving energy conservation and thermal processes.
Subtopics
- Specific Heat Capacity
- Latent Heat and Phase Changes
- Heating and Cooling Curves
- Calorimetry
- Thermal Energy Applications
Unit 4: Blackbody Radiation
Students explore how all objects emit thermal radiation and investigate the relationship between temperature, wavelength, and emitted energy. They also study emissivity, infrared radiation, and applications ranging from thermal imaging to astronomy.
Subtopics
- Thermal Radiation
- Blackbody Radiation
- Temperature and the Electromagnetic Spectrum
- Emissivity and Surface Properties
- Applications of Blackbody Radiation
Unit 5: Gas Laws and Kinetic Theory
Students connect particle motion with the observable behavior of gases. They investigate kinetic molecular theory, translational speed and kinetic energy, gas laws, the Ideal Gas Law, molar volume, and practical applications involving gases in science, engineering, and everyday life.
Subtopics
- Kinetic Molecular Theory
- Translational Speed and Kinetic Energy
- Gas Laws
- Ideal Gas Law and Molar Volume
- Applications of Gas Laws
Perfect For
- High school students studying thermal physics or physical science
- IB, AP, A-Level, GCSE, and other college-preparatory physics students
- Homeschool learners seeking a structured thermal physics course
- Students preparing for engineering, chemistry, or university physics
- Anyone interested in understanding heat, temperature, and the behavior of matter
By the End of This Course
Students will be able to:
- Explain the relationship between temperature, heat, and particle motion.
- Describe and calculate heat transfer through conduction, convection, radiation, and evaporation.
- Analyze thermal processes using specific heat capacity, latent heat, and calorimetry.
- Interpret heating and cooling curves and explain changes of state.
- Explain how objects emit and absorb thermal radiation.
- Describe blackbody radiation and its applications in science and technology.
- Apply kinetic molecular theory to explain the behavior of gases.
- Solve problems involving Boyle's Law, Charles' Law, Gay-Lussac's Law, Avogadro's Law, the Combined Gas Law, and the Ideal Gas Law.
- Calculate gas properties using molar volume and ideal gas relationships.
- Apply thermal physics concepts to real-world situations involving weather, climate, engineering, transportation, medicine, and energy systems.
This course provides a comprehensive introduction to thermal physics by linking microscopic particle behavior with macroscopic thermal phenomena. Through conceptual understanding, mathematical modeling, and practical applications, students develop the knowledge and problem-solving skills needed for advanced studies in physics, chemistry, engineering, and environmental science.