CBSE Class 6 Science All Chapters Worksheet Set B

CBSE Class 6 Science - All Chapters (1)

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I.FILL IN THE BLANKS

1. The changes that can be reversed are called ______________ changes.

2. The changes that cannot be reversed are called ____________ changes.

3. On heating , the metals _________________

4. On cooling , the metals _________________

5. Burning of incense stick is an ________ change.

6 On heating metal rim _______________ and fits into the wooden wheel.

7.Reversible changes are _________________ in nature.

II.CHOOSE THE CORRECT ANSWER: ___________

1. Ripening of fruit is a ( reversible / irreversible ) change.

2. In ( reversible / irreversible ) change we cannot get back the original components.

3. Melting of ice is a ( reversible / irreversible ) change.

III.WRITE TRUE OR FALSE:

1. Growing of trees is an irreversible change. _________

2 Formation of curd from milk is a reversible change .___________

IV.NAME THE FOLLOWING

1 Name any two reversible changes .

2 Name any two irreversible changes.

3Two methods to make a change happen

V.DISTINGUISH BETWEEN: Reversible and Irreversible changes

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