1. Unit 6D: Reversible and irreversible changes Unit 6D: Reversible and irreversible changes Reversible and irreversible changes T
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12. Unit 6D: Summary Unit 6D: Reversible and irreversible changes - summary Reversible & Irreversible Changes Changing materials Mixing Heating Cooling Burning Burning Irreversible New materials formed Gas often given off Irreversible Involves a reaction New materials formed Cannot be removed Reversible Easily reversed Filtering Evaporating Heating Cooling
![Unit 5D: Vocabulary ,[object Object],[object Object],[object Object],[object Object],[object Object],Unit 6D: Reversible and irreversible changes a change that can go forwards or backwards, for example melting and freezing a change that cannot go back, for example burning a material that dissolves a material that doesn’t dissolve V](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)