Science Experiments
Red Cabbage Paper pH Indicator Strips
The child will create homemade pH indicator strips using red cabbage juice to test and identify the acidity or alkalinity of various household liquids.
Grab 1–2 things 120 min Ages 5–9 years 1–3 players Indoor
Scientific ObservationCause and EffectFine Motor SkillsFollowing InstructionsColor Recognition
Unlock this activity
Sign in to use one of your 3 free weekly unlocks.
Learning benefits
- 💡 Introduces the chemical concepts of acids, bases, and pH indicators.
- 💡 Develops methodical scientific testing and observation skills.
- 💡 Encourages curiosity about the chemical properties of everyday household items.
- 💡 Fosters an understanding of color-changing reactions.
Safety notes
- ⚠️ An adult must handle all boiling water, stove use, and any chopping with a knife.
- ⚠️ Ensure all tested household substances are non-toxic and child-safe.
- ⚠️ The cabbage juice can stain fabric and surfaces, so wear old clothes and protect your work area.
Cleanup
- 🧹 Dispose of the used cabbage pieces and liquids down the kitchen drain.
- 🧹 Rinse all cups, the saucepan, and the shallow dish with soap and water.
- 🧹 Wipe down the protected work surface with a damp cloth or paper towels.