Well done to the children who recently created their own lava lamps using water, oil, food colouring, and a fizzy tablet, turning a simple activity into an engaging science investigation at home. They observed how oil floats on water due to differences in density and learned that the two liquids do not mix, while the fizzy tablet produced gas bubbles that carried coloured water up through the oil before it sank back down, creating the signature lava lamp effect. This experiment helped bring key scientific concepts like density, chemical reactions, and immiscibility to life in a fun, visual way, encouraging curiosity, creativity, and hands-on learning.
Categories: Science experiment - home
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