Class 6 CBSE science chapter 6 changes around us

1.	Class 6 CBSE science chapter 6 changes around us
Answer» Answer: answer 2 Yes all changes involve interactions. No, we cannot mean only physical interaction here. It MAY also be non-physical interactions. Let US give some examples having non-physical interactions. Conversion of water to vapour by evaporation: Here, water MOLECULES attain kinetic energy due to the surrounding heat, thus they interact with each other and evaporate to vapour. Chemical reaction between iron and sulphur on HEATING: By heating, the atoms present in the mixture of iron and sulphur attains energy, interact with each other and form iron sulphide. these are my notes Explanation: PLEASE MARK ME AS BRAINLIST

Answer»

Answer:

answer 2

Yes all changes involve interactions.

No, we cannot mean only physical interaction here. It MAY also be non-physical interactions. Let US give some examples having non-physical interactions.

Conversion of water to vapour by evaporation: Here, water MOLECULES attain kinetic energy due to the surrounding heat, thus they interact with each other and evaporate to vapour.

Chemical reaction between iron and sulphur on HEATING: By heating, the atoms present in the mixture of iron and sulphur attains energy, interact with each other and form iron sulphide.

these are my notes

Explanation:

PLEASE MARK ME AS BRAINLIST

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