CBSE Class 4 EVS – How Things are Made

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Study Materials

4th

4th - Science (EVS - Our Wondrous World)

How Things are Made

Chapter Overview

This chapter explains how different things are made, starting from raw materials to the final product. It introduces children to the manufacturing process and the importance of creativity, effort, and tools in making useful objects. The chapter also highlights how machines and human skills work together to create items we use every day.

Important Keywords

  • Raw materials: The basic materials from which things are made.
  • Manufacturing: The process of making products from raw materials.
  • Tools: Devices or instruments used to make or repair things.
  • Craftsman: A person skilled in making things by hand.
  • Factory: A place where things are made in large quantities using machines.
  • Recycle: To use old materials to make new things.
  • Product: The finished thing made after manufacturing.

Detailed Notes

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