this experiment i Wa-quarter of a cup of oil Tone quarter of a cup of a cup salt Some food dyeand a glass Firstly take a water and p it in the glass than add a few drop of food dye you can choose any that you like. but we've choose read for his example and e water than very carefully pour you oil into the water Yousee that it floats to the surface The oil floats on top of the water because itis lighter thanthe waterthentakesome salt andpour it through the into the water that. its Yovellsee ugh and landsquite heavily into the water since the saltis heavier the oilatsink straight down into the ttom of the glass but it also han takes some of the oil and some air wit this create bubble inside the salt it pick up the oil salt and as. the air starts to rise back throug the oil this creates with it and go straight through urlava to create ia lava effect you.