Friday, 16 November 2012

Classifiying reversible and irreversible changes

Have you got your worksheet to record what you find out about reversible and irreversible changes?

This first page shows water as a liquid evaporating:

http://www.middleschoolchemistry.com/multimedia/chapter2/lesson2

Lesson 3 (down the page) shows condensation.

Complete a row of your worksheet using what you have learned.

Can you think of another change? Melting chocolate? Disolving sugar in tea? Burning a candle?


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