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Wednesday, 29 July 2026

CLASS- 8- NCERT CHAPTER 3-TO-6 SCIENCE AND MATHS

 




ConceptVisual AidKey Idea
Fossil FuelsCoal & oil barrelNon-renewable energy sources
Fire SafetyFire extinguisherPrevent accidental fires
Energy ConservationSolar panel & bulbSave energy for future
Science LabMicroscope & test tubesSafe experiments and observations

ConceptVisual AidFormula / Note
AnglesProtractor with 60°Measure with protractor
Area & PerimeterRectangle labeled l,bArea = l×b, Perimeter = 2(l+b)
Geometric ToolsCompass, ruler, set squareUsed for accurate construction
Accurate Figures Triangle diagramPrecision is key





ConceptVisual AidKey Idea
Data HandlingBar & pie chartsRepresent data visually
ProbabilitySpinner diagramMeasure of chance
SquaresGrid of squaresArea = side × side
Square RootsLong division stepsReverse of squaring
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