Examples of reversible changes - Worksheet

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Science
Year 5
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Examples of reversible changes - Worksheet
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Focus Education
Focus Education
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Reversible changes refer to transformations that can be undone, meaning the original substance can be recovered after the change. A classic example of this is the process of freezing juice to create ice lollies. These solid lollies can be reverted to liquid juice simply by applying heat, demonstrating the reversible nature of the change. Students are encouraged to contemplate other instances of reversible changes, considering processes such as dissolving, evaporating, melting, and freezing. These concepts are crucial for understanding how certain materials can transition between different states without altering their fundamental properties.

In exploring the concept further, students are prompted to think about which materials are capable of returning to their original state after undergoing a change and which are not. This leads to a discussion about the distinction between reversible and irreversible changes. Reversible changes are temporary and allow the material to return to its initial form, while irreversible changes result in a permanent alteration that cannot be undone. This understanding is foundational in the study of physical changes in materials, and recognising the difference has practical implications in everyday life and scientific applications.