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Product 12602

By: Jim and Julie Ealy, Retired, The Peddie School, Hightstown, NJ

Feeling Blue Oxidation-Reduction Chemical Demonstration Kit
Dextrose solution, potassium hydroxide solution, methylene blue solution
oxidation, reduction, redox, oxidation-reduction
indicators, kinetics, chemical reaction
Feeling Blue Oxidation-Reduction Chemical Demonstration Kit
Dextrose solution, potassium hydroxide solution, methylene blue solution
oxidation, reduction, redox, oxidation-reduction
indicators, kinetics, chemical reaction
The Feeling Blue Oxidation–Reduction Chemical Demonstration Kit proves the blues come and go. Mixing two colorless solutions produces a blue solution. The solution alternates between blue and colorless. Wipe the blues away with this demo.

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Product Details

No one is exempt from an occasional “bout with the blues.” The blues come and go as in this demo. Two colorless solutions and an indicator are mixed, producing a blue solution. Upon standing, the solution becomes colorless. The solution alternates between blue and colorless with shaking and standing, respectively. You’ll wipe those blues away with this fascinating demonstration. Teacher Demonstration Notes included.

Concepts: Oxidation–reduction, indicators, kinetics.
Time Required: 15 minutes

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Obtaining, evaluation, and communicating information
Engaging in argument from evidence

Disciplinary Core Ideas

MS-PS1.B: Chemical Reactions
HS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Cause and effect
Systems and system models
Stability and change

Performance Expectations

MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS1-6. Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.