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New NCERT textbook · Class 6 Social Science

Exploring Society: India and Beyond, period by period — fitted to your timetable.

Tell Meyy your periods and their length; it plans every chapter of Exploring Society: India and Beyond to fit, and you tick off sections as you teach.

Chapter 4 · Period 1 of 15 · 40 min

How Long Is the Human Story? A Timeline of Life on Earth

Inquiry

Begin with personal memory to anchor the abstract concept of timescale in something students already experience. A common confusion is treating 'million' and 'billion' as interchangeable large numbers — draw attention to the exponential difference by pointing out that humans appear in the very last sliver of the timeline. The four scholar types are best fixed through the tool-in-soil question, which forces students to reason about expertise rather than memorise labels.

0-7Open by asking students: 'What is your earliest memory? How do you know it happened?' Take three or four responses, then pose the chapter's central question: if personal memory is limited and fades, how do we recover events from thousands or millions of years ago? Introduce history as the disciplined study of the human past.
7-18Display Fig. 4.1. Walk students through the sequence: Earth's formation, first cells, bacteria, plants, fish, reptiles, mammals, and finally Homo sapiens — noting the scale shifts from billions to millions to thousands of years. Ask: 'On this scale, how much of Earth's history do humans occupy?' Students estimate, then compare their estimates to the diagram's answer.
18-30In groups of three, students receive a paper strip and must mark at least five events from the timeline at roughly proportional positions, labelling each with its approximate time unit (billions / millions / years). Groups then display their strips and one member explains one positioning choice to the class.
30-40Introduce the four types of scholars — geologist, palaeontologist, anthropologist, archaeologist — with a one-sentence role for each. Pose the 'Think About It' question: which scholar would you call if you found a stone tool buried in soil, and why? Students write a two-sentence response in their notebooks.
Assessment

Competency (C-1.1). Collecting and interpreting multiple sources of information to understand historical aspects of human life.

Learning outcome. Students can classify types of historical sources by the kind of evidence each provides.

A historian finds a copper plate with an ancient royal grant engraved on it. According to the taxonomy of historical sources, this object belongs to which category?

  • A Archaeological Sources
  • B Foreign Accounts
  • C Indian Literature
  • D Inscriptions

D. Inscriptions

What each wrong option reveals

  • A Treats all objects found underground or in excavations as archaeological sources, overlooking the chapter's separate inscription category for engraved texts.
  • B Confuses the language or origin of a document with its source category; foreign accounts refer specifically to travelogues and chronicles by foreign observers.
  • C Conflates any written record with the 'Indian Literature' category, missing the distinction that engraved objects are classified as inscriptions regardless of their written content.
Chapter 4 · 15 periods of 40 min

Also saved as 9 periods or 12 periods.

  • 2Who Studies the Past? Matching Scholars to Evidence
  • 3BCE and CE: Placing Events on a Historical Number Line
  • 4Centuries, Millennia and Pañchāngas: Constructing a Family Timeline
  • 5The Six Families of Historical Sources: A Classification Task
  • 6When Sources Agree and Disagree: Evaluating Historical Evidence
  • 7What Does This Object Tell Us? Artefact Analysis in Practice
  • 8Hunter-Gatherers: Reading Material Evidence of Early Human Life
  • 9Reading Rock Art: What Early Paintings Tell Us About Early Minds
  • 10Ice Ages, Warming Climate and the Move to the River: A Cause-Effect Map
  • 11From Hamlets to Towns: Social Complexity and New Technologies
  • 12Questioning the Picture: Gender Roles in Early Human Scenes
  • 13Building a Personal History: The Three-Generation Family Tree
  • 14Reading the Deep-Time Timeline: Fig. 4.3 and Human Milestones
  • 15The Full Arc: Synthesising Time, Sources and Human Progress

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