Pumpkin Fizz Preschool STEM

Now that fall is here and Halloween decorations are popping up everywhere, it is time to do some fun pumpkin activities! Looking to incorporate more STEM education into your preschooler’s activities? then try this fun pumpkin fizz preschool STEM experiment! To make this fall themed, we used orange food coloring and we used a pumpkin cookie cutter to hold our fizz mixture. We thought this science experiment was so much fun! We had a blast watching it bubble up!

This turned out to be 2 science lessons in 1. First we had to make the color orange by mixing the red and yellow food dye together. This was a nice refresher for mixing colors. Second, we learned about chemical reactions when the vinegar mixed with the baking soda and created fizz.

PUMPKIN FIZZ

Supplies Needed:

• bowl or foil tray 
• 1 box of baking soda 
• Pumpkin shaped cookie cutter (my husband 3D printed this one for us)
• white vinegar
• paint cup ( we reused plastic fruit cups)
• orange food coloring (or mix red and yellow)
• Teaspoon (for spooning the vinegar into the tray) or eyedroppers/pipettes

Prepare the Tray:

• Place pumpkin cookie cutter in the center of your tray
• Sprinkle baking soda inside the cookie cutter so that the entire bottom is covered

Prepare the Paint Cups:

• pour in vinegar
• add a couple of drops of food coloring
• stir the food coloring

Making the Fizz

• To make the pumpkin fizz, spoon some of the colored vinegar into the tray. Watch as the vinegar bubbles up when it touches the baking soda!

• Keep spooning vinegar into the tray until all of the baking soda is covered in orange, making it look like an orange pumpkin.

*the larger amount of vinegar that you dump into the tray at a time, the larger you fizz will be !

Check out more fun STEM activities: https://imaginationsrunningwild.com/stem/