Tuesday, 4 August 2020

CBSE Class 6 - Science - Chapter: Changes Around Us (Worksheet) (#eduvictors)(#class6Science)

Chapter: Changes Around Us (Worksheet)

CBSE Class 6 - Science
CBSE Class 6 - Science - Chapter: Changes Around Us (Worksheet) (#eduvictors)(#class6Science)

Fill in the blanks

1. Metals generally __________ on heating.


2. A change in which new substance is formed is called __________ change.


3. A black material used by road construction workers for repairing a road is __________ .


4. A change may occur by __________ a substance or by mixing it with some other.


5. Changing state from solid to liquid to gas and back again is a ___________ change.


6. If we bake the roti on a Tawa, we cannot change the baked roti into the ball of dough again. So, baking a roti is an ____________ change.


7. Burning of incense stick is an _________ change.


8. Mixing substances always causes a reversible change. State True or False?


9. Melting is an example of a reversible change. State True or False?


10. Growing of trees is an irreversible change. State True or False?


Answers:
1: expand
2: chemical
3: coal tar
4: heating
5: reversible
6: irreversible
7: chemical
8: False. It can cause an irreversible change.  
9: True
10: True


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