Fizzy Rainbow Rocks
A colorful and effervescent project that combines science and creativity, perfect for kids and adults.
Ingredients
Main ingredients
- 1 cup Baking soda
- 1/4 cup Vinegar For creating the fizzing effect.
- 1/2 cup Cornstarch
- 4-5 tablespoons Water Adjust to achieve damp consistency.
- various Food coloring Any colors of your choice.
- 1 Silicone mold or ice tray For shaping the rocks.
Tools Needed
- 1 Mixing bowl
- 1 Baking sheet
- 1 Spoon For mixing.
Instructions
Preparation
- Set up your workspace with all materials within reach.
Mixing Dry Ingredients
- In a mixing bowl, combine 1 cup of baking soda and 1/2 cup of cornstarch. Stir well until the mixture is uniform.
Adding Wet Ingredients
- Gradually add 4-5 tablespoons of water to the dry mixture while stirring to achieve a damp consistency, similar to wet sand. Avoid overmixing.
Coloring the Mixture
- Divide the mixture into separate bowls based on the number of colors you want. Add a few drops of food coloring to each bowl and mix until the desired colors are achieved.
Shaping the Rocks
- Carefully spoon the colored mixtures into your silicone mold or ice tray and press down firmly to pack the mixture tightly.
Drying the Rocks
- Place the filled molds on a baking sheet and let them dry for about 2-4 hours, or until they firm up.
Creating the Fizzy Experience
- Once dry, carefully remove the rainbow rocks from the molds. Add a few drops of vinegar on top and watch the fizzy magic happen!
Notes
Experiment with different colors and shapes. Consider adding glitter for a sparkling effect.