What do you need?
a clean bottle with a wide neck
100 ml water
vegetable oil
1 denture cleaning tablet
food coloring
Today we experiment with vegetable oil, fizzing tablets to clean your false teeth(!!) and coloured water. The bottle looks like a lava lamp but without the lamp >< It is just ... science!
How to make a lava bottle
Measure the water then pour it carefully into a bottle.
Slowly pour in the oil, through a funnel until the bottle is nearly filled to the rim.
Wait until the fluids settle and you see a dividing line between water and oil.
Add 10 drops of food coulouring to the bottle, you see the drops sink to the water.
The water colours, exciting! Now add a dental tablet, tiny bubbles will appear.*
If sunlight shines through your bottle it looks super beautiful!!!!
* if the bubbles lessen add another Dental care tablet to the bottle.