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Concept Maps

To Truly Understand a Rainbow — Concept Maps

ICSE · Class 7 · English Literature : Book 'Gulmohar'

4 concept maps of To Truly Understand a Rainbow for ICSE Class 7 English Literature : Book 'Gulmohar', each also written out as a text outline.

44 questions38 flashcards5 concepts

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4 Concept Maps

Chapter Overview – To Truly Understand a Rainbow

Chapter Overview – To Truly Understand a Rainbow

The map in words

  • To Truly Understand a Rainbow
    • About the Chapter
      • Author: Kathleen Krull
      • Type: Narrative Non-Fiction
      • Theme: Scientific Discovery
    • Newton
      • Young college student
      • Solitary and brilliant
      • Bought two prisms
      • Forced home by plague
    • Old Beliefs
      • Aristotle
        • White light is uniform
        • Colour = light plus darkness
      • Robert Hooke
        • Colour scale
        • Prism adds colour
    • The Experiment
      • Prism 22 feet from window
      • Sunlight splits into spectrum
      • Seven colours ROYGBIV
      • Experimentum Crucis
        • Second prism test
        • Green stays green
        • Prism does not add colour
    • Newton's Theory
      • Each colour is a wavelength
      • Short wavelength bends more
      • Long wavelength bends less
      • White light has all colours
    • Key Discoveries
      • Spectrum named
      • White light contains all colours
      • Colours follow science
      • Rainbow explained
    • Indian Connection
      • C.V. Raman
      • Raman Effect 1928
      • Nobel Prize 1930

Newton's Discovery of Light and Color - Concept Overview

Newton's Discovery of Light and Color - Concept Overview

The map in words

  • Newton's Rainbow Discovery
    • Historical Context
      • Great Plague 1664-1665
      • 100,000 deaths in London
      • Newton fled to Woolsthorpe Manor
      • Isolated but productive time
    • The Problem
      • Aristotle's old theory
      • Color from light and darkness
      • Robert Hooke's scale
      • Common belief before Newton
    • Newton's Approach
      • Questioned accepted ideas
      • Used prisms as tools
      • Careful experimental setup
      • 22 feet distance crucial
    • Key Discovery
      • White light contains all colors
      • Spectrum of seven colors
      • Different wavelengths bend differently
      • Shorter waves bend more
    • The Proof
      • Experimentum crucis used
      • Green light stayed green
      • Prism doesn't create color
      • Only separates existing colors
    • Scientific Impact
      • Understanding rainbows
      • Light governed by principles
      • Natural world has laws
      • Foundation of modern optics

Key Events in Newton's Discovery

Key Events in Newton's Discovery

The map in words

  • 1660
    • Newton buys two prisms at the annual market
  • 1664
    • Great Plague spreads through London
  • 1665
    • Newton retreats to Woolsthorpe Manor
  • 1665
    • Newton questions Aristotle and Hooke's colour theories
  • 1665
    • First prism experiment – 22 feet from window
  • 1665
    • White light splits into 7 colours – VIBGYOR
  • 1665
    • Experimentum crucis – green light stays green
  • 1665
    • Newton concludes white light contains all colours

Newton's discovery that white light contains all colours and that a prism separates them into a spectrum

Newton's discovery that white light contains all colours and that a prism separates them into a spectrum

The map in words

  • Newton's discovery that white light contains all colours and that a prism separates them into a spectrum
    • Isaac Newton
    • The Great Plague
    • Old ideas about white light
    • Prism experiment
    • Spectrum and colours
    • Wavelength and refraction
    • Crucial experiment
    • Rainbow formation

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Frequently Asked Questions

What are the important topics in To Truly Understand a Rainbow for ICSE Class 7 English Literature : Book 'Gulmohar'?
Key topics in To Truly Understand a Rainbow include Newton and the discovery of light, The crucial experiment and Newton's theory, Rainbow and scientific thinking, Coromandel Fishers by Sarojini Naidu. Study these first, then practise questions on each for Class 7 exams.
What do the concept maps for To Truly Understand a Rainbow show?
The 4 maps show how the ideas in To Truly Understand a Rainbow connect: Chapter Overview – To Truly Understand a Rainbow; Newton's Discovery of Light and Color - Concept Overview. Each map is also written out as an outline on this page.
How should I revise To Truly Understand a Rainbow for Class 7 exams?
Learn the core ideas first, then work through the 44 practice questions on To Truly Understand a Rainbow. 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 ICSE Class 7 English Literature : Book 'Gulmohar' Concept Maps

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