Class 9 Science Lesson Plan | Ch 10: Gravitation – Part 6 | Archimedes Principle | B.Ed. Lesson Plan

Описание: 🌊 Class 9 Science Lesson Plan | Chapter 10 – Gravitation | Part 6 | Archimedes’ Principle & Relative Density | B.Ed. Lesson Plan**

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This video is Part 6 of Class 9 Science Chapter 10: Gravitation, where we study the Discovery of Archimedes’ Principle, the statement and explanation of Archimedes’ Principle, its applications, and the important concept of Relative Density in a clear, conceptual, and exam-oriented manner.
This lesson is designed for Class 9 students, Physics teachers, and B.Ed. trainee teachers, strictly according to the NCERT syllabus.

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📘 Topics Covered in This Lesson (Part 6):

🔹 1. Discovery of Archimedes’ Principle

✔ Story of Archimedes and the crown
✔ Observation leading to the principle
✔ Concept of loss of weight in liquid
✔ Importance of the discovery

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🔹 2. Archimedes’ Principle

✔ Statement of Archimedes’ Principle
✔ Explanation with simple experiment
✔ Buoyant force and displaced liquid
✔ Mathematical understanding

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🔹 3. Applications of Archimedes’ Principle

✔ Floating of ships and boats
✔ Submarines and their working
✔ Lactometers and hydrometers
✔ Determination of density of objects

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🔹 4. Relative Density

✔ Meaning of relative density
✔ Formula of relative density
✔ Relation with density
✔ Relative density of solids and liquids
✔ Numerical problems based on relative density

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🔍 Examples Explained:

• Floating and sinking of objects
• Loss of weight in water
• Ice floating on water
• Measurement of purity of liquids

All examples are explained with diagrams, simple language, and blackboard-style teaching.

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📘 Includes Complete B.Ed. Lesson Plan Format:

✔ General & specific objectives
✔ Teaching aids
✔ Introduction with real-life situations
✔ Presentation with experiments & examples
✔ Blackboard work
✔ Question–answer interaction
✔ Evaluation questions
✔ Numerical practice
✔ Homework (NCERT-based)

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🎯 Why This Lesson Is Important:

✔ One of the most important topics of Class 9 Physics
✔ Frequently asked in exams (theory & numericals)
✔ Builds strong conceptual understanding
✔ Very useful for B.Ed. lesson plans & teaching practice

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