You are learning...
Click on any of the links below to start learning from Teachoo...
In Chapter 6 for class 7, Physical and Chemical Changes, you are going to learn about the changes that happen in our surroundings every day. You will do that with the help of basic concepts, NCERT questions and extra worksheet questions prepared by the experts at Teachoo.
The changes that occur in our surroundings are bifurcated into 2 categories on the basis of the structure which is changed. These categories are -
The changes in which no new substance is formed are known as physical changes.
For Example - Tearing a paper in half
The changes in which a new substance is formed are known as chemical changes.
For Example - Rusting of Iron
Lastly, you will learn about the phenomena of Crystallisation and Galvanisation.
What's in it?
In Chapter 6 for class 7, Physical and Chemical Changes, you are going to learn about the changes that happen in our surroundings every day. You will do that with the help of basic concepts, NCERT questions and extra worksheet questions prepared by the experts at Teachoo.
The changes that occur in our surroundings are bifurcated into 2 categories on the basis of the structure which is changed. These categories are -
The changes in which no new substance is formed are known as physical changes.
For Example - Tearing a paper in half
The changes in which a new substance is formed are known as chemical changes.
For Example - Rusting of Iron
Lastly, you will learn about the phenomena of Crystallisation and Galvanisation.