Free interactive practice
Play Materials Change Lab
Explore dissolving, rate evidence, mixture separation and reversible or new-material changes. Saving is off unless you choose it.
Recognise selected changes that form new materials and are not usually reversible.
Year 5 · Science
Non Reversible Changes
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Focus on irreversible changes like burning and rusting. Open support for “Find Out About Non-reversible Changes”, then explain the idea in your own words.
Year 5 learners practise irreversible changes like burning and rusting.
The activities include Find Out About Non-reversible Changes, Investigate Material Changes in the Kitchen, Investigate Non-reversible Changes, and related practice. The checked support below includes video, teaching, interactive, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
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- Find Out About Non-reversible Changes — support from Oak National Academy
- Investigate Material Changes in the Kitchen — support from Oak National Academy
- Investigate Non-reversible Changes — support from Oak National Academy
- Look at Burning Materials — support from Oak National Academy
- Understand Changes when Materials Burn — support from Oak National Academy
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Watch it explained
watch a video explanation
More Irreversible Changes
Best for: a clear explanation before you practise
Burning An Irreversible Change
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
More Irreversible Changes lesson slides
Best for: worked examples and step-by-step teaching
Science: Properties and Changes of Materials: Irreversible Changes Year 5 Lesson 6
Best for: a structured lesson to work through
Burning An Irreversible Change lesson slides
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
More Irreversible Changes worksheet and quizzes
Best for: active questions with immediate feedback
Burning An Irreversible Change worksheet and quizzes
Best for: active questions with immediate feedback
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