Small bowl or petri dish 5. Baking soda solution 2. Red cabbage juice 6. Lemon juice 7. Rubbing alcohol 4.
Many household items are acids and bases.
We will test some of these items. Pour a small amount of the lemon juice in the glass dish. Squirt a few drops of the red cabbage juice on top of the lemon juice. Rinse out the dish and pour a small amount of the baking soda solution into it. Squirt a few drops of the red cabbage juice on top of the baking soda solution.