The Spring Blooms Chemical Demonstration Kit is perfect for spring. Welcome the season into your classroom with this two-part acid-base and chemical equilibrium demonstration and teach your students about LeChatelier's principle.
This item can only be shipped to schools, museums and science centers
Spring has arrived—time for April showers to bring May flowers. Welcome spring into your classroom with this two-part acid-base and chemical equilibrium demonstration. In part one, one set of paper flowers are soaked in colorless indicator solutions. Spraying the dried blooms with ammonia gives a beautiful bouquet of purple, red, and blue flowers. In part two, a second set of flowers, saturated with cobalt chloride, are blue when dry, but quickly turns pink when sprayed with water. A colorful introduction to acid-base indicators and LeChtelier's principle. Teacher Demonstration Notes included.Enough materials are included to perform this demonstration seven times.
Concepts: Acid-base indicators, LeChtelier's principle.
Time Required: 10 minutes
Materials Provided: Ammonia solution, phenolphthalein indicator solution, thymolphthalein indicator solution, universal indicator solution, cobalt chloride solution, filter paper, pipe cleaners, tissue paper.
Note: Spray bottles are required and available separately.