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A Comprehensive Guide to Homeschooling

Reversible Changes – Activity



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Reversible Changes - Activity

A reversible change is a change….

(a)

which cannot be undone or reversed
(b) which can be undone or reversed
(c) which forms new materials
(d) Answers (b) and (c) are correct

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Reversible Changes - Activity

Another name for reversible changes is….

(a)

Chemical Changes
(b) Permanent Changes
(c) Physical Changes
(d) Non of the above

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Reversible Changes - Activity

A reversible change….

(a)

might change the physical appearance of a substance
(b) might not change the physical appearance of a substance
(c) produces a new substance
(d) Answers (a) and (c) are correct

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Reversible Changes - Activity

Examples for reversible changes are….

(a)

Melting
(b) Freezing
(c) Dissolving
(d) All of the above

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Reversible Changes - Activity

Which one is not an example for a reversible change….

(a)

Melting candle wax
(b) Freezing water
(c) Dissolving salt in water
(d) Burning paper