When you mixed the water and sugar you made a SUPER SATURATED SOLUTION. This means that the water could only hold the sugar if both were very hot. As the water cools the sugar “comes out” of the solution back into sugar crystals on your string.
The oil floats on top of the water because it is less dense or lighter than water. The food colouring has the same density as the water so it sinks through the oil and mixes with the water. When you add the tablet it sinks to the bottom then starts to dissolve.
Our mission at Little Professors is to make science & stem subjects fun and exciting for young children and help contribute to their understanding of how nature and the world around them works. Given children’s in-born curiosity and enthusiasm towards learning new things, we want to create an environment where they can have fun, experiment […]
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