What this lesson teaches
Acids bases and indicators.
Science in Action
Can you finish acid base household test in about 30 min?
Acid Base Household Test
You will acids bases and indicators.
Duration30 min
Age GroupAges 11–14
DifficultyIntermediate
SubjectScience
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What you need
How the activity runs
The learning connection
Using natural indicators (turmeric, red cabbage juice) makes chemistry tangible and accessible outside school. Students who test household substances remember acid-base chemistry through the specific colours they saw — a concrete memory that textbook definitions don't create.
Try it with your learner
1. Make cabbage indicator. 2. Add lemon juice. 3. Observe color. 4. Add baking soda. 5. Compare 5 liquids.