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Exploration : Entering the World of Secondary Science — Syllabus

CBSE · Class 9 · Science

What Exploration : Entering the World of Secondary Science covers in CBSE Class 9 Science: 4 topics, for the 2026-27 session.

55 questions68 flashcards5 concepts

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A flowchart illustrating the processes by which matter changes from one state to another (solid, liquid, gas) and the conditions (temperature, pressure) that facilitate these changes.
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4 Topics · CBSE Class 9 Science · 2026-27

Topics in Exploration : Entering the World of Secondary Science

1

1. Scientific Thinking and Models

  • Science begins with curiosity, observation, and questions.
  • A model is a simplified way of representing a real system.
  • Models focus only on what is important for a particular question.
2

2. Science Language: Symbols, Units, and Mathematics

  • Scientific quantities are represented by defined symbols.
  • Examples include mass, velocity, force, and electric current.
  • Symbols help scientists communicate clearly and unambiguously.
3

3. Speed of Light and Scientific Symbols

  • The speed of light is denoted by the symbol c.
  • The symbol c comes from the Latin word celeritas, meaning speed.
  • The speed of light is defined to be exactly 299792458 m/s.
4

4. Laws, Theories, and Principles

  • A law describes a regular pattern observed in nature.
  • Newton's laws of motion are an example of a law.
  • Newton's laws explain the jerk felt when a bus stops suddenly.

Key Concepts

Central concept: Scientific exploration through observation, models, symbols, laws, theories, principles, prediction, estimation, and interdisciplinary thinking

Observation and questioningModelsScientific languageMathematics in scienceScientific symbolsSpeed of lightLaw, theory, and principlePrediction

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Frequently Asked Questions

What are the important topics in Exploration : Entering the World of Secondary Science for CBSE Class 9 Science?
Key topics in Exploration : Entering the World of Secondary Science include Scientific Thinking and Models, Science Language: Symbols, Units, and Mathematics, Speed of Light and Scientific Symbols, Laws, Theories, and Principles. Study these first, then practise questions on each for Class 9 exams.
How should I revise Exploration : Entering the World of Secondary Science for Class 9 exams?
Learn the core ideas first, then work through the 55 practice questions on Exploration : Entering the World of Secondary Science. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All CBSE Class 9 Science Syllabus

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