How to make a Lava Lamp
Materials:
- Salt
- Oil
- Food colouring
- clear jar
- water
- Fill the clear jar with water put ⅔ of the way.
- Tip an inch of oil in the water slowly.
- Put a drop of food colouring carefully in the jar.
- Put a little bit of salt on top.
Water and oil and the dot of food colouring. 
Putting salt on top.
When it dropped.
