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Atomic Foundations of Matter — Concept Maps

CBSE · Class 9 · Science

4 concept maps of Atomic Foundations of Matter for CBSE Class 9 Science, each also written out as a text outline.

83 questions84 flashcards2 formulas & key relations5 concepts

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A diagram illustrating two objects with masses M and m, separated by a distance d, showing the gravitational force of attraction between their centers and the relevant variables.
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4 Concept Maps

Chapter 9 Gravitation — Complete Concept Map

Chapter 9 Gravitation — Complete Concept Map

The map in words

  • Gravitation
    • Universal Law
      • Every object attracts every other
      • F = GMm divided by d squared
      • G = 6.674 x 10 to minus 11
      • Inverse Square Law
    • Free Fall
      • Only gravity acts
      • Acceleration = g
      • g = GM divided by R squared
      • g = 9.8 m per s squared
    • Mass and Weight
      • Mass
        • Amount of matter
        • Constant everywhere
        • Unit = kg
      • Weight
        • Force of attraction
        • W = mg
        • Varies with location
        • Unit = N
      • Weight on Moon
        • One sixth of Earth weight
    • Thrust and Pressure
      • Thrust = Perpendicular Force
      • Pressure = Thrust per Area
      • Unit = Pascal
      • Larger Area = Lower Pressure
    • Buoyancy
      • Upward force by fluid
      • Depends on fluid density
      • Archimedes Principle
        • Buoyant force = weight of fluid displaced
        • Applications
          • Ships and Submarines
          • Lactometer
          • Hydrometer
    • Float or Sink
      • Density less than liquid = floats
      • Density more than liquid = sinks

Gravitation Chapter — Complete Concept Map

Gravitation Chapter — Complete Concept Map

The map in words

  • Gravitation
    • Universal Law
      • Formula F = Gm1m2 divided by d squared
      • G = 6.674 x 10 to minus 11
      • Discovered by Cavendish
      • Applies to all objects
    • Free Fall
      • Only gravity acts
      • g = 9.8 m per s squared
      • Independent of mass
      • Galileo proved it
    • Mass vs Weight
      • Mass is constant everywhere
      • Weight = m times g
      • Weight varies by location
      • Moon weight = 1 sixth Earth
    • Pressure
      • P = Force divided by Area
      • Unit is Pascal Pa
      • Larger area = less pressure
      • Applications in daily life
    • Buoyancy
      • Upward force by fluid
      • Archimedes Principle
      • Buoyant force = weight displaced
      • Less dense objects float

Chapter 9 Gravitation — Concept Overview

Chapter 9 Gravitation — Concept Overview

The map in words

  • Gravitation
    • Universal Law
      • F = GMm divided by d squared
      • G = 6.674 x 10 power -11
      • Applies universally
      • Cavendish measured G
    • Free Fall
      • Only gravity acts
      • g = 9.8 m per s squared
      • g = GMₑ divided by Rₑ squared
      • Independent of mass
      • Equations of motion
    • Mass and Weight
      • Mass in kg constant
      • Weight = mg in Newtons
      • Weight varies with location
      • Moon weight = Earth weight by 6
    • Thrust and Pressure
      • Thrust perpendicular force
      • Pressure = Force by Area
      • Unit Pascal
      • Small area more pressure
    • Buoyancy
      • Upward force by fluid
      • Float if density less than fluid
      • Sink if density more than fluid
    • Archimedes Principle
      • Buoyancy = weight displaced
      • Ships and submarines
      • Lactometer and hydrometer

Atoms combine and rearrange according to fixed laws to form molecules, ionic compounds, and stable substances

Atoms combine and rearrange according to fixed laws to form molecules, ionic compounds, and stable substances

The map in words

  • Atoms combine and rearrange according to fixed laws to form molecules, ionic compounds, and stable substances
    • Law of Conservation of Mass
    • Law of Constant Proportions
    • Dalton's Atomic Theory
    • Molecules
    • Chemical Bond
    • Covalent Bonding
    • Ionic Bonding
    • Formula Writing

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Frequently Asked Questions

What are the important topics in Atomic Foundations of Matter for CBSE Class 9 Science?
Key topics in Atomic Foundations of Matter include Laws of Chemical Combination, Dalton's Atomic Theory, How Atoms Combine, Naming and Writing Formulae. Study these first, then practise questions on each for Class 9 exams.
What do the concept maps for Atomic Foundations of Matter show?
The 4 maps show how the ideas in Atomic Foundations of Matter connect: Chapter 9 Gravitation — Complete Concept Map; Gravitation Chapter — Complete Concept Map. Each map is also written out as an outline on this page.
How should I revise Atomic Foundations of Matter for Class 9 exams?
Learn the core ideas first, then work through the 83 practice questions on Atomic Foundations of Matter. 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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