Flower Power

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In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors. Activity includes step-by-step instructions and extension ideas. This activity uses easy to find materials. A Spanish version of the activity is also included.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 4 - adult

Resource Type:

English, Spanish

Materials List (per group of students)

  • Dark red/pink/purple colored flower, such as a rose
  • Small plastic baggie
  • Water
  • Teaspoon measure
  • Small paint palette tray or ice cube tray (preferably light-colored)
  • 1 teaspoon baking soda dissolved in 1 cup water
  • White vinegar
  • Pipette or dropper



  • Physical Sciences
    • Chemistry

Informal Categories

  • Gardening
  • Nature and Environment


Access Rights:

  • Free access



  • All rights reserved, Explora Science Center and Children's Museum, 2022