Error message

Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in rasp_block_view() (line 2667 of /home/ai_resource/site_resources_dev/sites/all/modules/rasp/rasp.module).

A Catalyst and the Rate of Reaction

Students watch a video and do a quick activity to see that a catalyst can increase the rate of the breakdown (decomposition) of hydrogen peroxide. Students will then use salt as a catalyst in a reaction between aluminum foil and a solution of copper II sulfate. Students will be introduced to the concept that a catalyst increases the rate of a chemical reaction but is not incorporated into the products of the reaction.

Standards & Objectives

Learning objectives: 

Students will be able to define a catalyst as a substance that increases the rate of a chemical reaction but is not incorporated into the products of the reaction.

Lesson Variations

Blooms taxonomy level: 
Applying

Helpful Hints

Materials for Each Group

  • Graduated cylinder (50 mL or 100 mL)
  • Hydrogen peroxide (3%)
  • Yeast
  • 2 Popsicle sticks
  • Detergent solution
  • Dropper
  • Small cup
  • Clear plastic cup
  • Copper II sulfate solution (in cup)
  • Salt
  • Aluminum foil (5 cm × 5 cm)
  • Thermometer

References

Contributors: