Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk? - Environmental Studies 1

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Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?

Solution

The chalk reduces in size after writing on the blackboard. It becomes flat on the side from which we use it for writing.

Concept: Introduction of Substances, Objects and Energy

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Chapter 24: Substances, Objects and Energy - Can you tell ? [Page 127]

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Balbharati Environmental Studies 1 Maharashtra State Board 5th Standard

Chapter 24 Substances, Objects and Energy
Can you tell ? | Q 1 | Page 127

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Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk? - Environmental Studies 1

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