Chapter-6 ➤ Changes Around Us

1. Burning of wood in a chulha is a tan change.

 
 
 

2. Conversion of a solid to liquid by heating is called

 
 
 
 

3. Formation of clouds is an irreversible change.

 
 

4. Eruption of a volcano is a reversible change.

 
 

5. Breaking of a China (porcelain) dish is a chemical change.

 
 

6. Which is a way to make a change happen?

 
 
 
 

7. Which of the following changes can be reversed?

 
 
 
 

8. Rusting of iron is an irreversible change.

 
 

9. Metal rim is fixed to the wooden cart wheel by

 
 
 
 

10. Conversion of a solid to liquid by heating is called fusion.

 
 

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