NCERT Book Class 4 The World Around Us (Our Wonderous World) Chapter 7 How Things Work

Unit 4

Things Around Us

About the Unit
This unit familiarises students with paper and gradually learn how papers
various things around them, how are made in large scale through
different things work and also how machines. This unit gives them a
those things are made. chance to understand the properties
Students observe and test how of paper and the making of coloured
things work by engaging with easily papers too. In the process, students
available toys, such as spinners and will learn sustainable practices
paper boats. They try out different through 5Rs of waste management
possibilities with these toys and study and get ready to take responsible
how things work. They also test out decisions. By experimenting with both
which things sink or float by putting traditional and modern paper-making
different things in the water. techniques, they will develop a deeper
Other than how things work, appreciation for the materials we uses
students will also learn about how in everyday life and their connection
different things are made. They will to our environment.
also learn how to prepare handmade