Fizzing Lava Rocks
Create colorful fizzing lava rocks that combine art and science, perfect for kids and adults alike. A hands-on activity to explore chemical reactions and engage in creative fun.
Ingredients
Main Ingredients
- 1 cup Baking soda
- 1/2 cup Citric acid
- to taste Food coloring (various colors) Use different combinations for unique effects.
- Water (for mixing and activating) Use gradually to control the fizz reaction.
Tools and Accessories
- 1 Mixing bowl For combining ingredients.
- 1 Silicone molds To shape the lava rocks.
- 1 Glove (optional) For handling dye.
Instructions
Preparation
- Clear a flat surface to work on and gather all materials in one area for easy access.
Mixing
- In a mixing bowl, combine 1 cup of baking soda and 1/2 cup of citric acid. Mix well until evenly blended.
- Add a few drops of food coloring to the dry mixture and mix until color is uniformly distributed.
- Gradually add a small amount of water to the mixture while stirring continuously, ensuring it does not fizz yet. Stop when it holds together like damp sand.
Shaping
- Pack the mixture tightly into the silicone molds, pressing firmly to retain shape.
Drying
- Let the rocks dry for at least 24 hours in a cool, dry place, noticing them harden as they dry.
Testing
- Once dry, remove the rocks from the molds and drop them into a bowl of water to watch them fizz and bubble!
Notes
Experiment with different molds for unique sizes and forms, mix in glitter for sparkle, or add essential oils for fragrance.