How to make a Lava Lamp
Do you know how to make a lava lamp? DIY lava lamps are one of our favourite science experiments as they are super simple to make, can be used over and over again and you can be as creative as you like with them. We’ve made Minions, Reindeer and even Snowmen lava lamps!
Lava lamps are also a safe, exciting and visual way to introduce chemical reactions and the often tricky concept of density to children ( the oil floats beautifully on top of the water ).
How to make a lava lamp
What you need to make a lava lamp
- A clear plastic or glass bottle or jar
- A bottle of vegetable oil
- Water
- Alka Seltzer
- Food colouring (a bright colour is best!)
DIY Lava Lamp Instructions
Fill the bottle about a quarter full with water. Top up to the (near) top with vegetable oil.
The oil