CBSE Class 6 Science
Chapter 6: Changes around Us
Additional Questions
- What is mean by slow and fast changes. Explain with examples
- What is mean by reversible changes and irreversible changes. Explain with examples
Answers
- Changes which takes short period of time to occur are called fast changes. Examples of fast changes are blowing of a balloon, evaporation of water, melting of ice cream etc. Where as the changes takes a long period of time to occur are called slow changes. Examples of slow changes are growing of plants and change of seasons
- The changes which can be reversed are called reversible changes. Example for reversible changes are evaporation of water, folding of paper to make aeroplane etc. Where as the changes that cannot be reversed are called irreversible changes. Example of irreversible changes are burning of paper, formation of curd from milk etc are irreversible changes
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