Lava Lamp
Create a mesmerizing homemade lava lamp using simple household materials for a fun and educational science activity.
Ingredients
Main Ingredients
- 1 bottle Clear plastic or glass bottle About two-thirds full with water
- 2/3 full Water Fill the bottle about two-thirds full
- 1 bottle Vegetable oil Pour in until the bottle is almost full
- several drops Food coloring Any color of your choice
- 1 tablet Alka-Seltzer tablet Can also use baking soda and vinegar
Optional Enhancements
- as desired Glitter or small decorative items Optional for added effect
Instructions
Preparation
- Start by filling your clear bottle about two-thirds full with water.
- Carefully pour in vegetable oil until the bottle is almost full, leaving a little space at the top.
- Add several drops of food coloring to the mixture.
- Break an Alka-Seltzer tablet into smaller pieces and drop one into the bottle.
- Replace the cap or leave it off for an open-top effect and turn off the lights to see your lava lamp glow.
Notes
Experiment with different colors of food coloring and use glitter for a shimmering effect. You can also try different bottle sizes to see how it changes the look and flow.