The Exploring Light Sticks Chemical Demonstration Kit provides a fun way to shed light on core chemistry concepts. Using glow sticks, students learn about chemiluminescence, pH optimization, acid–base chemistry and catalysts.
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A fun way to shed some light on core chemistry concepts! Using common glow sticks, students learn about chemiluminescence, pH optimization, acid–base chemistry and the action of a catalyst. Compare the effervescent glow of light sticks with different chemical additives to demonstrate the nature of the chemical reaction, the role of a catalyst and the effect of pH on the ionization of the reactants. Fascinating consumer-science lab activity will capture your students’ attention as you relate chemical principles to their everyday lives. An enlightening demonstration! Includes complete directions, student worksheet with answer key, and materials for five demonstrations.
Concepts: Chemiluminescence, pH optimization, acid–base chemistry, catalysts.
Time Required: 25 minutes
Materials Provided: Sodium salicylate, hydrochloric acid, sodium hydroxide, light sticks.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Analyzing and interpreting data
Constructing explanations and designing solutions
Disciplinary Core Ideas
MS-PS1.B: Chemical Reactions
HS-PS1.B: Chemical Reactions
Cause and effect
Energy and matter
Stability and change
HS-PS1-5. Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.