Средња медицинска школа "Хипократ"

Lava lamp - Using  color for cakes, edible oils and effervescent tablets, the effect of the lava lamp is obtained. By dissolving the tablet in a mixture of oil and water, carbon dioxide is released, which is visually noticed by the separation of the bubble. Oil floats on the surface of the water, the weight of salt pulls a certain amount of oil with it, but it melts and the oil returns to the surface ...