United University

Physics Grade 8. Change of state of matter. Heat engines. Part two. Collection 1

Course Difficulty Icon Intermediate
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Course Structure
Section 1: "Part 2. Changes in the State of Matter. Heat Engines" consists of the following lessons:

  • Lesson 10
    §10. States of Matter
    Review Questions
    Exercise No. 10

  • Lesson 11
    Melting and Crystallization
    Review Questions
    Exercise No. 11

  • Lesson 12
    §12. Specific Latent Heat of Fusion
    Review Questions
    Exercise No. 12

  • Lesson 13
    Evaporation and Condensation
    Review Questions
    Exercise No. 13

  • Lesson 14
    §14. Boiling. Specific Latent Heat of Vaporization
    Review Questions
    Exercise No. 14

  • Lesson 15
    Heat of Combustion. Efficiency of a Heater
    Review Questions
    Exercise No. 15

  • Lesson 16
    §16. Principle of Operation of Heat Engines. Thermal Efficiency
    Review Questions
    Exercise No. 16

  • Lesson 17
    Types of Heat Engines
    Review Questions
    Exercise No. 17

  • Lesson 18
    Thermal Power Engineering. Ways to Conserve Energy Resources
    Review Questions
    Exercise No. 18

Self-Assessment Tasks for Section I: Thermal Phenomena
Summary of Section I: "Thermal Phenomena"
Part 2: Changes in the State of Matter. Heat Engines
Summary
Suggested Project Topics

Course Overview
Expected Learning Outcomes
By the end of the course, students will:

  • Understand the properties of thermal motion and how atoms and molecules behave in different states of matter;

  • Recognize the physical properties of solids, liquids, and gases;

  • Grasp and define physical quantities such as the amount of heat, specific latent heat of fusion, and their units;

  • Apply acquired knowledge to solve problems;

  • Interpret graphs of thermal processes like melting and solidification;

  • Explain evaporation and condensation through process diagrams;

  • Understand and define the specific latent heat of vaporization and its units;

  • Use the heat balance equation in practical contexts;

  • Analyze graphs of various thermal processes;

  • Understand the working principles of heat engines and their efficiency;

  • Identify different types of thermal machines;

  • Evaluate the impact of thermal technologies on the environment, identifying both advantages and drawbacks;

  • Recognize the importance of energy-saving technologies;

  • Appreciate the contributions of prominent scientists to the study of heat.

Prerequisites

  • Basic computer literacy

  • Reading and writing skills

  • Foundational knowledge of physics equivalent to 8th-grade level

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