Our hydrophobic sand( water fearing), comes in fun fluorescent colours which won't run Can be reused Ideal for water play, tactile play, sensory play, experiment Builds creativity and imagination 50ml bottles
Science experiment - Great time to introduce terms hydrophobic and hydrophilic
Hydrophobic
Collect various kinds of sand - beach, kinetic, garden soil and mix with water in different containers.
Introduce the hydrophobic sand - (does not mix with the water)
Hydrophilic(water loving)
fill a container with water. Pour a 2 tablepoons of oil -Mix.
Then pour a few drops of food colouring
What happens? (water mixes with the colouring but not the oil)