Ⅰ.
strength and energy

1.
Force and Motion
Lesson 1: Equilibrium and Structural Stability
Lecture 2: The Law of Acceleration and Uniformly Accelerated Motion
Lesson 3: Action-Reaction and Conservation of Momentum

2.
Energy and heat
Lecture 4: Work and Energy
Lecture 5: Conversion of Mechanical and Thermal Energy

Ⅱ.
Electricity and Magnetism

1.
Electric fields and electric energy
Lecture 6_Electric Field and Potential Difference
Lecture 7: Power Consumption and Electrical Safety
Lesson 8_Capacitor

2.
Interaction of electricity and magnetism
Lecture 9: Types and Uses of Magnetic Materials
Lecture 10: Magnetic Fields and Energy Conversion by Current
Lecture 11: Electromagnetic Induction and Energy Transfer

Ⅲ.
Light and Matter

1.
The duality of light and matter
Lecture 12: The Wave Nature of Light
Lecture 13: Refraction of Light and Optical Technology
Lecture 14: The Duality of Light and Matter

2.
The world of matter and space-time
Lecture 15: Atoms and Spectra
Round of 16: Energy Bands and Semiconductors
Lecture 17: The Relativity of Time and Space

[Exam Preparation]
- Check your skills by grade level

[Special Edition] Correct Answers and Substantial Solutions

[Concept Learning]

· Understand essential core concepts from textbooks
- The core content of the textbook is organized in an easy-to-understand manner using various pictures and materials.
- We have organized the material pick and exploration pick corners to select important materials and explorations for focused learning.
- Detailed, supplementary explanations have been included at appropriate locations to help with understanding the concepts.
- Difficult terms are presented with Chinese character explanations to make them easy to understand.

· Explore textbooks and analyze materials
- We have selected important research topics and presented them in the form of process, results, and summary along with photographic materials, and have created confirmation questions to check whether the research activities have been understood.
- We have provided detailed explanations of difficult-to-understand material learned in the concept organization, and created confirmation problems that allow you to immediately confirm key concepts.

· Basic solid problem
- It consists of fill-in-the-blank questions, short answer questions, and true or false questions by topic for concept organization.
- It is composed of various types of easy problems so that you can quickly check your level of understanding of the concept.

· Problems that improve your skills
- We have compiled a variety of practical problems to help you review important concepts.

- We have created a separate set of descriptive questions to help you prepare for school descriptive exams.

· Intermediate level practice problems
- We have composed descriptive questions along with various practical problems that allow you to review important concepts for each unit.

· Grand finale
- Key data for each chapter is organized into tables and diagrams for easy understanding at a glance.
- You can finish your studies by completing questions that frequently appear on each unit and prepare for the actual exam.

[Exam Preparation]

· Check your skills
- To help you prepare for school exams, we have provided expected school exam questions by difficulty level and structured them into descriptive questions.

[ Correct answer / Substantial explanation ]

- We provide detailed and friendly explanations to make it easy to understand.
- Includes avoiding incorrect answers, adding concepts, and analyzing data.