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CAGIS Clubhouse

Reactive Race Cars

Saturday, May 31, 2025

Have you seen a soda fizz? Did you know that the fizzing is called effervescence, and it can be caused by a chemical reaction? In this chemical engineering session, we will explore chemical reactions and effervescence, and use our findings to fuel a chemistry-powered car!

 

Time

Ages 7-12: 8 am PT • 9 am MT • 10 am CT • 11 am ET • 12 pm AT
Ages 13-17: 10 am PT • 11 am MT • 12 pm CT • 1 pm ET • 2 pm AT

 
Materials and Preparation
  • Empty plastic bottle with cap
  • 2 straws (paper or plastic) 
  • 2 x 10 inch Bamboo skewers 
  • Glue: Hot glue gun, craft glue, super glue
  • Duct tape
  • 4 plastic beads (the bamboo skewer should fit through the bead)
  • 4 identical plastic caps (larger size works better, i.e. Gatorade) 
  • Something to crush the alka seltzer tablets (mortar and pestle, can, etc)
  • Tissue paper
  • Scissors
  • 3 cups
  • 5 alka seltzer tablets
  • ~1 cup milk or non-dairy alternative 
  • >3 cups water 
  • ~1 cup white vinegar 

Meet the Expert

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This programming was developed by Sydney Brooks and Dilpreet Kaur

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