Question

What type of changes will you observe in your surrounding

Answer 1

the things that will happen in my surroundings

Answer 2

Answer:

We see different types of changes; every day in our surrounding. Growth of tree, rising of sun, setting of sun, different shape and size of moon, burning of coal, paper, wood, etc. are the examples of changes around us.

Before knowing the scientific meaning of changes; it is necessary to understand some terms, i.e. physical properties, chemical properties, reversible and irreversible.

Physical Properties: Shape, Size and State of substance are known as physical properties. For example; when a sheet of paper is folded, its shape changes and this is an example of