Jhara Roy Solutions for Chapter: Changes Around Us, Exercise 3: SUMMATIVE ASSESSMENT
Jhara Roy Science Solutions for Exercise - Jhara Roy Solutions for Chapter: Changes Around Us, Exercise 3: SUMMATIVE ASSESSMENT
Attempt the practice questions on Chapter 6: Changes Around Us, Exercise 3: SUMMATIVE ASSESSMENT with hints and solutions to strengthen your understanding. Interactive Science solutions are prepared by Experienced Embibe Experts.
Questions from Jhara Roy Solutions for Chapter: Changes Around Us, Exercise 3: SUMMATIVE ASSESSMENT with Hints & Solutions
Melting of ice is an example of what change?
What happens to an apple if it is cut and left in the open air? What type of change is this?
What happens to the wax when we burn a candle?
Why cannot permanent change be reversed? When milk is turned into curd, its taste changes. Why? Can we change the curd back into milk?
What are the differences between a physical and a chemical change?
With a diagram, show how to fit an iron rim on a wooden wheel.
List at least five undesirable human-made changes and suggest steps to avoid them.
With an activity, show that burning of a candle is a chemical change.
