Tamil Nadu Board Solutions for Chapter: Changes Around Us, Exercise 5: Evaluation
Tamil Nadu Board Science Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Changes Around Us, Exercise 5: Evaluation
Attempt the practice questions on Chapter 3: Changes Around Us, Exercise 5: Evaluation with hints and solutions to strengthen your understanding. Tamil Nadu Board Class 7 Science Term 2 solutions are prepared by Experienced Embibe Experts.
Questions from Tamil Nadu Board Solutions for Chapter: Changes Around Us, Exercise 5: Evaluation with Hints & Solutions
Physical Change : Boiling :: Chemical Change: _____
Wood to sawdust :_____ :: Wood to Ash : Chemical change
Forest fire : _____ change :: Change in the period in a school : periodic change
Peeled and unpeeled bananas do not look the same. Does that mean peeling bananas is a chemical change?
A very hot glass on putting in cold water cracks. What does this change indicate?
Boiling of water is a physical change, but the boiling of the egg is a chemical change. Why?
Observe the picture and list down the changes that are accompanied in the picture.
a) _____
b) _____
c) _____
Observe the picture containing a kettle and note that it has saltwater in it and answer the following questions:
a) What is the name of the process that is done to the kettle?
b) What will happen to the content of the kettle?
c) What kind of change is occurring on the cold surface of the metal plate?
d) What can you say about the quality of water that is obtained in the beaker?
