Class 4 Evs - BIHAR
How Things are Made
The chapter 'How Things are Made' from the Bihar Board (BSEB) Class 4 EVS textbook 'Our Wondrous World' introduces young learners to the fascinating journey of everyday objects. Students learn how raw materials like cotton, clay, and wood are transformed into finished products such as clothes, pots, and paper through different processes. This chapter is very important for board exams as it helps students understand the link between nature, human labor, and daily life. Questions from this chapter test the child's observation skills and understanding of where common household items come from.
Start Learning FreeKey Concepts
Raw Materials
Basic natural substances like cotton, wood, and clay that are used to make various finished goods.
Making Cloth from Cotton
Cotton is picked from plants, spun into yarn, and then woven on looms to make clothes we wear.
Pottery Making
Potters use wet clay, shape it on a potter's wheel, dry it, and bake it in a kiln to make pots and utensils.
Paper Making
Paper is made from bamboo, wood pulp, and recycled paper treated with water and chemicals in factories.
Handicrafts
Items like baskets, mats, and toys that are skillfully made by hand using natural fibers like jute and bamboo.
Important Formulas
Board Exam Info
In the Bihar (BSEB) Class 4 EVS examinations, this chapter typically carries around 5 to 8 marks. Common question types include match the following (matching products with their raw materials), fill in the blanks, and short answer questions explaining the steps of making a simple object like a clay pot or cotton shirt.
Frequently Asked Questions
What is a raw material?
A raw material is the basic natural substance or material used first to manufacture or create goods.
How is a clay pot made?
A clay pot is made by collecting clay, kneading it with water, shaping it on a potter's wheel, drying it in the sun, and finally baking it in a kiln to make it hard.
Where does cotton come from?
Cotton comes from the fruit of the cotton plant, which is called a cotton boll.
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