The pH scale measures how strongly acidic ... To make your own indicator, you will need: Red cabbage A kettle and water Household substances to test, such as lemonade, vinegar, baking powder ...

Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

The pH of several common household items is observed using universal indicator and pH standards for reference. Prepare desired household chemicals, ie: vinegar, soap, ammonia, lemon juice, clear soda ...

Introduce the activity and guide the class in making a red cabbage indicator solution. Tell students that they ... an acid or base to help neutralize the water. The yellow scale on the left shows the ...

Pour desired household chemicals into separate 50 mL beakers. Add a few drops of universal indicator OR about 25 mL of red cabbage indicator and mix. Compare colors to standard solutions in lighted ...