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Physical Changes in Materials

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This lesson describes how mass is conserved when physical changes take place. Students learn how a material's temperature changes as it is heated or cooled enough to melt, boil, condense, or freeze. Students will also learn what energy transfers occur during changes of state and how materials expand and contract as they change temperature.
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Fecha de publicación 23/02/2015
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Science - Primaria

Science - Grade 4

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