Page 24 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE
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Science Y6 – Materials and their Properties – lesson 8







        Most substances can exist as solids, liquids or gases but they can change from one to the other.

        These pictures give you clues to some reversible changes. How do they change?   E.g.

               a)                    The lolly melts from solid to liquid but can be refrozen from liquid to solid.



               b)                    _________________________________________________________________

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               c)                    _________________________________________________________________

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               d)                    _________________________________________________________________

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        How can you separate iron filings, sand and salt?    ___________________________________________________

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        How can you separate sand, gravel and water?       ___________________________________________________
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        Define evaporation.
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        Define condensation.
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        Write or draw examples of these two changes we see in our daily lives, e.g. water-cycle
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