Monday, April 26, 2010

YumYum Rice Krispies

For my mini-project, I made HOMEMADE Rice Krispie treats with Alia, Jenny, and Laurie on Saturday April 24th. The pot got a litttttle burnt at the bottom from the fire being too high though. They still tasted delicious!


Photo credit to Alia Saba

Procedure:

  1. Melt 3 tablespoons of butter in a pot.

  2. When fully melted, pour in a 10 oz. bag of regular marshmallows or 4 cups of mini marshmallows.

  3. Mix well. When the butter and marshmallows are blended together thoroughly, add in 6 cups of Rice Krispies.

  4. Press the mixture onto a tray, cool, and cut into squares. (We just ate it all out of the pot since the bottom was burnt anyways. We put some in a cupcake tray for picture taking.)

Science:

  • The heat makes the molecules of the butter and marshmallows move faster, turning them into a liquid form.

  • The marshmallow/butter mixture is sticky and keeps the cereal together. When it hardens, it keeps a strong bond with the Rice Krispies like a web.

  • The burning at the bottom of the pot was caused by overheating. Combustion, an exothermic chemical reaction, occurred. The fire heating up the pot reacted with the food inside it.

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