Thursday 10 December 2015

HOME WORK FOR CLASS- VI , VII, IX

Lesson-  CHANGES AROUND US  CLASS-VI
1.What  is meant   by  reversible and  irreversible changes.? Give 5 examples for each of them.
2. Why do  we make  smaller   iron  rim    to fit into  cart wheel?
3.Name different types of changes  around you?

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