United University

Physics Grade 10. Molecular physics and thermodynamics. Collection 1

Course Difficulty Icon Intermediate
Course Type Icon Course
Course Duration Icon 31 hours

This interactive course introduces Grade 10 students to Molecular Physics and Thermodynamics. Learners study molecular-kinetic theory, the behavior of gases, phase transitions, surface phenomena, mechanical properties of solids, and the fundamentals of thermodynamics including internal energy, work, the first law of thermodynamics, and heat engine operation. The course includes interactive tests and control questions that help students consolidate knowledge, monitor their progress, and deepen understanding. Through lessons, experiments, and self-assessment tasks, students develop analytical and experimental skills and learn to apply physical principles to real-world situations.

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This interactive course introduces Grade 10 students to Molecular Physics and Thermodynamics. Through structured lessons, laboratory work, quizzes, and interactive activities, students explore molecular-kinetic theory, the behavior of gases, phase transitions, surface phenomena, thermal properties of solids, and the fundamentals of thermodynamics including internal energy, work, the first law of thermodynamics, and the operation of heat engines. The course emphasizes both theoretical understanding and hands-on investigation, ensuring a solid grasp of molecular and thermal physics concepts.

Key Features of the Course

  • Interactive learning with quizzes and tests: Reinforce understanding through control questions, self-assessment tasks, and interactive tests throughout the course.
  • Expertly crafted content: Developed to provide clear explanations of molecular motion, thermodynamic principles, and properties of matter in various states.
  • Real-life applications: Understand how molecular and thermal physics principles apply to everyday phenomena, engineering, environmental processes, and technology.

Course Modules

Module 1: Molecular Physics — Part 1

  • Lesson 26: Basic Principles of Molecular-Kinetic Theory
  • Control Questions
  • Lesson 27: Motion and Interaction of Molecules
  • Control Questions
  • Lesson 28: Fundamental Equation of an Ideal Gas
  • Control Questions
  • Lesson 29: Temperature and Kelvin Scale
  • Control Questions
  • Lesson 30: Equation of State of an Ideal Gas. Isoprocesses
  • Control Questions
  • Lesson 31: Evaporation and Condensation. Saturated and Unsaturated Vapor. Boiling
  • Control Questions
  • Lesson 32: Air Humidity. Dew Point
  • Control Questions
  • Lesson 33: Surface Tension of Liquids. Wetting. Capillary Phenomena
  • Control Questions
  • Lesson 34: Structure and Properties of Solids. Crystal Anisotropy. Liquid Crystals
  • Control Questions
  • Lesson 35: Mechanical Properties of Solids
  • Control Questions
  • Laboratory Work 6
  • Laboratory Work 7
  • Summary and Review of Module III “Molecular Physics and Thermodynamics”, Part 1
  • Self-Assessment Tasks for Module III, Part 1

Module 2: Thermodynamics — Part 2

  • Lesson 36: Internal Energy and Its Changes
  • Control Questions
  • Lesson 37: Work in Thermodynamics
  • Control Questions
  • Lesson 38: First Law of Thermodynamics. Adiabatic Process
  • Control Questions
  • Lesson 39: Principles of Heat Engines. Refrigerators
  • Control Questions
  • Summary and Review of Module III “Molecular Physics and Thermodynamics”, Part 2
  • Self-Assessment Tasks for Module III, Part 2

Expected Learning Outcomes

  • Operate concepts and terminology of molecular-kinetic theory, ideal gases, gas laws, state equations, isoprocesses, saturated and unsaturated vapor, humidity, surface tension, capillary phenomena, mechanical stress, Hooke's law, Young's modulus, phase equilibria and transitions, triple point, internal energy, gas work, first law of thermodynamics, adiabatic processes, and heat engine efficiency.
  • Solve problems using the fundamental equation of gases, gas la
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