Materials: 1 x 100 ml beaker 1 x 250 ml beaker 2 glass stirring rods 100 ml measuring cylinder 1 g guar gum powder 1.5 g borax powder 1 plastic teaspoon of glycerol Food colouring Method: 1. Put the guar gum in a 250 ml beaker and add 80 ml of tap water, stir with […]