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Fun Kid’s Projects
Lemonade Sugar Cube Fizz Bombs

Lazy summer days call for cool science projects. In this science experiment we use sugar cubes, citric acid and baking soda to cause a chemical reaction. When you combine citric acid and baking soda, you create carbon dioxide gas. When this gas is trapped in a liquid, it bubbles up to the top to be released.  These are the same bubbles used to carbonate soda!

Since lemonade is just sugar and lemon juice, we're going to use our homemade fizz bombs to create a fizzy lemonade! Liz Heinecke, The Kitchen Pantry Scientist, explains how in the video above and in the text below. Just follow along and you can have the coolest lemonade stand in the neighborhood! 

Supplies:

Directions:

  1. Put a couple of drops of food coloring onto a plate.  Use a toothpick as your paintbrush. Paint a design or face onto a sugar cube.
  2. Pour baking soda into small bowl or plastic bag. Roll sugar cubes in baking sugar, making sure that the cube is coated on all sides. You can save these later for a lemonade stand, or use them immediately.
  3. Prepare lemonade by mixing 2 cups water, 1/2 cup lemon juice and 1/4 cup granulated sugar. Mix well and pour into indivual glasses. 
  4. Drop coated sugar cubes into the glasses.  Cubes will fizz as the citric acid and baking soda forms a carbon dioxide gas.
  5. Drink and enjoy!

Science experiment created by Liz Heinecke. Liz shares her love of science through her blog, The Kitchen Pantry Scientist and she recently published her first science book: Kitchen Science Lab for Kids, a book of 52 fun and educational science projects for kids of all ages. 

Photos by Amber Procaccini.

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