Lava is a rock that has been melted，
Present with high temperature liquid，
Common in volcanic export or crust crack，
General temperature is in Celsius700Degree1200Between，
Although the viscosity of the lava is 100,000 times of water，
But it can also cool to a volcanic rock after the number is flowed.。
Dr. will take you today.Wonderful lava lamp
Children
Prepare flowers and applause
Go down together～
Material
pigment / water / Cup / Oil / Effervested
step
-first step-
Add water in a cup
Add a few drops of pigments in the water
-Second step-
Add oil in a cup，Put the effervescent
(3 tiered lava lamp electric tubed brass)exhibit
A lava lamp that can be rolled like a lava is ready.~
(3 tiered lava lamp electric tubed brass)
(3 tiered lava lamp electric tubed brass)principle
(3 tiered lava lamp electric tubed brass)Oil and water are inseparable，
Lower oil density，Will float on the water。
The effervescent sheet will be quickly dissolved in the water.，
And release a large amount of carbon dioxide gas，
The formed bubbles brought the water to the oil surface and ruptured，
The water that is brought up is formed to form a water droplets into the oil.。
(3 tiered lava lamp electric tubed brass)
