Acid & Base Experiment

You can make artboards from natural ingredients and the ink can be erased as well. Paper with curry powder is yellow. It turns red when mixed with alkaline detergent and turns yellow again in acidic lemon juice. This is just amazing!!

What you’ll need

  • Curry Powder
  • Lemon Juice
  • Washing Powder
  • Water
  • Paint Brush
  • Cotton Buds
  • Watercolor Paper

How to Set Up

  1. Prepare 3 mixtures (1) curry powder mixed with water (2) lemon juice and (3) washing powder mixed with water.
  2. Attach a piece of watercolor paper to a disposable sheet with masking tape to protect your table.
  3. Paint the curry powder mixture all over the watercolor paper.


*Turmeric is a common spice in curry powder. It is yellow in acid, but turns red with bases.

Adult supervision is required for any activity presented by CHANA and Chanafavors.

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