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Short · Practical Chemistry & Experimental Design

Elephants toothpaste - rates of reaction.

0:30Practical demonstrationIntroductory

This elephant’s-toothpaste Short compares hydrogen peroxide concentrations and uses the faster foam production to illustrate concentration effects on reaction rate.

Collision theoryConcentration and reaction rateDemonstrations & data interpretationShort videoCollision theoryReaction rateConcentration effectDemonstrationData analysis

Learning goals

What you should be able to do

  • describe the effect of concentration on reaction rate
  • explain the difference using collision theory

Curriculum links

VCE Chemistry connections

  • Unit 3, Area of Study 2Rates of chemical reactions