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Puking Pumpkin!
and how to roast pumpkin seeds

We use a versatile chemical reaction to make a carved pumpkin look like it's puking! We also learn how to make pumpkin seeds, a delicious treat!

 

The chemical reaction used in this experiment combines Baking Soda and Vinegar to form a bubbly mess. 

PUKING PUMPKIN

Materials

  • Baking Soda

  • Vinegar

  • Food Colouring

Procedure

  1. After your pumpkin is carved and scary, combine 12 tablespoons of vinegar and 20 drops of your  choice of food colouring to the inside.
     

  2. Add 1 tablespoon of baking soda when you’re ready for your chemical reaction!

ROASTED PUMPKIN SEEDS

Materials

  • Pumpkin Seeds

  • Butter

  • Salt

  • A Stove

Procedure

  1. Preheat the oven to 350°F or 170°C.
     

  2. After you scoop all of the seeds from the pumpkin, give them a wash and separate them from the pulp.
     

  3. In a bowl, mix the seeds with 1 tablespoon of butter and 1 teaspoon of salt.
     

  4. Lay the seeds flat on a baking sheet and roast in the oven for 15 minutes or until golden brown. Stir around 8 minutes to avoid burning.
     

  5. Wait for them to cool down and Enjoy!

This experiment is great for beginners and can be done with household ingredients. A stove is required for making pumpkin seeds. Carving a pumpkin should be done with adult supervision.

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