What this lesson teaches
Physical vs chemical changes.
Science in Action
Can you finish physical vs chemical change in about 25 min?
Physical vs Chemical Change
You will physical vs chemical changes.
Duration25 min
Age GroupAges 11–14
DifficultyIntermediate
SubjectScience
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What you need
How the activity runs
The learning connection
Classifying changes develops the core scientific skill of using observable evidence to support a claim. This activity creates a personal experiential database of examples that students can reference when encountering new substances — stronger and more flexible than a memorised definition.
Try it with your learner
1. Pick card. 2. Reversible? Physical. 3. New substance? Chemical. 4. Sort all 20.