Question

cut a pieces of a paper in four square pieces furthdr into four square pieces lay these pieces on the floor or a table so that the pieces acquire the shape of the original pieces of a paper which change it is​

Answer 1

Answer:

Every day you come across many changes in your surroundings. These changes may involve one or more substances. For example, your mother may ask you to dissolve sugar in water to make a cold drink. Making a sugar solution is a change. Similarly, setting curd from milk is a change. Sometimes milk becomes sour. Souring of milk is a change. Stretched rubber band also represents a change.

Make a list of ten changes you have noticed around you.

In this chapter we shall perform some activities and study the nature of these changes. Broadly, these changes are of two kinds, physical and chemical.