Solutions of Changes Around Us from New Trends In Science
MS. Tejinder Sondhi Science Solutions from Chapter 6 - Changes Around Us
Ms Tejinder Sondhi's New Trends In Science detailed solutions to all the exercises of Changes Around Us for 6th CBSE are provided here. The topics covered are such as Physical And Chemical Changes, Reversible And Irreversible Changes and, Expansion And Contraction Of Materials. The points to remember in the Ms Tejinder Sondhi's Book Solutions is ideal for quick revision.
Practice Other Topics from Changes Around Us
This topic will elaborate on the changes which can be reversed and which can’t be reversed. It lets us identify such changes from our surroundings. Melting of ice is reversible in nature, whereas the burning of cotton is irreversible.
In this topic, we will become familiar with the physical and chemical changes. It establishes a clear distinction between both changes by giving suitable examples. Melting of wax is a physical change, while cooking of food is a chemical change.
This topic explains the expansion and contraction of materials. Most materials expand when they are heated and contract when they are cooled. Concrete also expands and contracts due to fluctuations in temperature.
