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Product 12521

By: Lee Marek, Retired, Naperville North H.S., Naperville, IL

Dry Ice Color Show Chemical Demonstration Kit
dry ice, co2, sublimation, state change
indicators, bromcresol green, bromthymol blue, methyl red, phenol red
ph scale, ph change, acid, base
Dry Ice Color Show Chemical Demonstration Kit
dry ice, co2, sublimation, state change
indicators, bromcresol green, bromthymol blue, methyl red, phenol red
ph scale, ph change, acid, base
With the Dry Ice Color Show Chemical Demonstration Kit, watch as thick white vapor clouds pour up and out of bubbling cauldrons on your demonstration table. This eye-catching dry ice demo is sure to get a “cool” reaction from your students.

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Watch as thick white vapor clouds pour up and out of the bubbling cauldrons on your demonstration table! This eye-catching dry ice demo is sure to get a “cool” reaction from your students! It makes a great demonstration to try at Halloween or any time you want to put on a colorful acid–base show during the year. Just add chunks of dry ice to various acid–base indicator solutions and observe the brilliant color changes. Teach students about sublimation and other properties of dry ice. Discuss pH and acid–base indicators. Write the chemical equation for the formation of acid from the dry ice. Teacher Demonstration Notes included.

Concepts: Sublimation, acid–base indicators.
Time Required: 10 minutes
Chemicals Provided: Ammonia solution and indicator solutions of bromcresol green, bromthymol blue, methyl red, phenol red, and universal indicator.
Note: Five dry ice nuggets (walnut-sized) are needed for this demonstration.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS3.A: Definitions of Energy
HS-PS1.A: Structure and Properties of Matter
HS-PS3.A: Definitions of Energy

Crosscutting Concepts

Stability and change

Performance Expectations

MS-PS1-4. Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.