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Chapter 8 of 13
Concept Maps

Journey Inside the Atom — Concept Maps

CBSE · Class 9 · Science

4 concept maps of Journey Inside the Atom for CBSE Class 9 Science, each also written out as a text outline. Part of the CBSE Class 9 Science syllabus.

111 questions72 flashcards2 formulas & key relations5 concepts

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An infographic illustrating the various effects a force can have on an object: producing motion, stopping motion, changing direction, and changing shape.
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4 Concept Maps

Force and Laws of Motion — Complete Concept Map

Force and Laws of Motion — Complete Concept Map

The map in words

  • Force and Laws of Motion
    • Force
      • Push or Pull
      • Changes State of Motion
      • Changes Shape or Size
      • SI Unit Newton
    • Balanced vs Unbalanced Forces
      • Balanced Forces
        • Equal and Opposite
        • No Change in Motion
      • Unbalanced Forces
        • Net Force Not Zero
        • Causes Acceleration
      • Friction
        • Opposes Motion
        • Acts Between Surfaces
    • Newtons First Law
      • Law of Inertia
      • Object Stays at Rest or Moves Uniformly
      • Inertia
        • Resistance to Change
        • Depends on Mass
      • Applications
        • Safety Belts
        • Car Passengers Lurching
    • Newtons Second Law
      • F equals ma
      • Momentum p equals mv
        • SI Unit kg m per s
      • Rate of Change of Momentum
      • Applications
        • Catching Cricket Ball
        • High Jump Landing
        • Airbags
    • Newtons Third Law
      • Action and Reaction
      • Equal and Opposite
      • Different Objects
      • Applications
        • Walking
        • Rocket Propulsion
        • Gun Recoil
        • Swimming
    • Conservation of Momentum
      • Total Momentum Constant
      • No External Force
      • m1u1 plus m2u2 equals m1v1 plus m2v2

Correct vs Incorrect Understanding of Newton's First Law

Correct vs Incorrect Understanding of Newton's First Law

The map in words

  • Object in Motion or at Rest
    • Is Net Force Zero?
      • Yes - Balanced Forces: Object Maintains Current State
        • If at Rest - Stays at Rest
        • If Moving - Continues at Same Speed and Direction
      • No - Unbalanced Force: Object Changes State
        • Speed Changes or Direction Changes
          • Acceleration Occurs
  • WRONG BELIEF
    • Moving Object Needs Constant Force
      • Reality - Friction is the Force that Stops It
        • Remove Friction - Object Moves Forever

Chapter Overview — Force and Laws of Motion

Chapter Overview — Force and Laws of Motion

The map in words

  • Force and Laws of Motion
    • Balanced Forces
      • Equal and Opposite
      • No Change in Motion
    • Unbalanced Forces
      • Net Force Not Zero
      • Changes State of Motion
    • First Law
      • Law of Inertia
      • Object Resists Change
      • Galileos Experiment
    • Inertia and Mass
      • Greater Mass
      • Greater Inertia
    • Second Law
      • F equals ma
      • Momentum p equals mv
      • Rate of Change of Momentum
    • Third Law
      • Action and Reaction
      • Different Objects
      • Equal and Opposite
    • Conservation of Momentum
      • No External Force
      • Total Momentum Constant
      • Gun and Bullet Example

Atomic structure and the development of ideas about the atom

Atomic structure and the development of ideas about the atom

The map in words

  • Atomic structure and the development of ideas about the atom
    • Ancient ideas of atom
    • Dalton's atomic theory
    • Discovery of electron
    • Thomson's atomic model
    • Gold foil experiment
    • Rutherford's atomic model
    • Size of atom and nucleus
    • Proton

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Frequently Asked Questions

What are the important topics in Journey Inside the Atom for CBSE Class 9 Science?
Key topics in Journey Inside the Atom include Origin and Development of Atomic Ideas, Discovery of Subatomic Particles and Atomic Models, Atomic Number, Mass Number, and Electronic Configuration, Isotopes, Isobars, and Atomic Mass. Study these first, then practise questions on each for Class 9 exams.
What do the concept maps for Journey Inside the Atom show?
The 4 maps show how the ideas in Journey Inside the Atom connect: Force and Laws of Motion — Complete Concept Map; Correct vs Incorrect Understanding of Newton's First Law. Each map is also written out as an outline on this page.
How should I revise Journey Inside the Atom for Class 9 exams?
Learn the core ideas first, then work through the 111 practice questions on Journey Inside the Atom. 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.

More resources for Journey Inside the Atom

All CBSE Class 9 Science Concept Maps

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