Kapilesh Agrawala Solutions for Chapter: Matter, Exercise 4: EVALUATE YOUR UNDERSTANDING

With the help of an activity, show that there is no change in the level of water if a teaspoon of sugar is added to half a glass of water.

Which effect of heat does the ball and ring experiments show? Draw a neat labelled diagram and explain this experiment.

Discuss the inter-conversion of one state of matter into another.

Explain the effect of heat on matter showing change of state, expansion, and chemical change.

We get the smell of perfume while we are sitting several metres away. Give reasons why is it so?

Electricity is not considered as a matter. Give reasons why is it so?

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

Name the processes $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}, \mathrm{E}$ and $\mathrm{F}$ in the following diagram showing change in its state.