A Fountain of Valentine Hearts
With marshmallows, bottle, and a microwave, you can create a Valentine's day fountain!
What you need:
- marshmallow hearts, such as Peeps
- empty plastic water bottle
- parchment paper (optional)
- Slide the marshmallows into the bottle. (You may want to roll each marshmallow up in parchment paper to slide it inside the bottle, then pull the parchment paper away.
- Microwave the bottle, watching closely to make sure it doesn't get too hot.
- Watch the marshmallow come fountaining out of the bottle!
What's happening:
As the marshmallows heat up, the gelatin softens while the air bubbles expand, making the marshmallows grow bigger. Since the marshmallows are trapped in a bottle with a narrow opening, the expanding marshmallow gets forced through the narrow bottle top, creating the fountain effect. <
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