Year 6 · Science
Use characteristics and classification keys
How do classification keys identify living things?
A classification key asks a sequence of questions about observable characteristics. Each answer narrows the possibilities until one organism or group remains. A useful key uses features that can be checked consistently, such as whether an animal has a backbone, feathers or six legs.
Use a key step by step
- observe the organism carefully before choosing an answer
- follow only the branch that matches the evidence
- check the final identification against all listed characteristics
Keep practising: Use the Year 6 Science checklist
Year 6 learners practise classifying living things using classification keys.
The activities include Explore Classification, Identify Processes in Classification, Know About Classifying Animals and Plants, and related practice. The checked support below includes video, interactive, lesson, teaching. 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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- Explore Classification — support from Oak National Academy
- Identify Processes in Classification — support from Oak National Academy
- Know About Classifying Animals and Plants — support from Oak National Academy
- Explore Classifying Organisms — support from Oak National Academy
- Look into the Classification of Life — support from Twinkl
- Study Classification — support from Oak National Academy
- Use Keys to Aid Classification — support from Oak National Academy
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Watch it explained
watch a video explanation
Carl Linnaeus and classification
Best for: a clear explanation before you practise
How and why we group animals
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Comparing characteristics of living things
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KS2 Science: Grouping Animals Based on Their Characteristics Video Lesson
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Learn it properly
lessons and teaching pages
Living Things Classification Pack for Year 6
Best for: a structured lesson to work through
Year 6 Classification Is Key eBook
Best for: worked examples and step-by-step teaching
Y6 Living Things & Their Habitats Organising Organisms Lesson 1
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Living things and their habitats - KS2 Science
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Carl Linnaeus and classification worksheet and quiz downloads
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How and why we group animals worksheet and quiz downloads
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Comparing characteristics of living things worksheet and quiz downloads
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