EXERCISES
Renu Parshar Science Solutions for EXERCISES
Simple step-by-step solutions to EXERCISES questions of Changes Around Us from Focus Science 6. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISES with Hints & Solutions
Describe an experiment to show what happens when salt is heated.
What are desirable and undesirable changes? Give one example for each that you have not come across in the chapter.
Sharpen your pencil and see the change. What kind of change is this? Explain your answer.
Is it correct to say that all physical changes are reversible? Support your answer with two examples.
Why are small gaps left between the railway tracks?
Study the diagram carefully and answer the following question.
Which of the following could be X?
Study the diagram carefully and answer the following question.
Which of these could be Y?
Cutting of trees is desired by some people for their selfish motives. Cutting of trees indiscriminately is called deforestation. Deforestation makes the land barren. It increases soil erosion and hence desert formation.
What measures do you think should be taken against people responsible for deforestation?
