World Science Day 10/11/2021
Soap Bubbles’ experiment- The children used water, washing up liquid, paint and a straw to create bubbles. They looked at how bubbles are just air wrapped in soap film and learnt about why bubbles stick together
Lava Lamp- The water and oil do not mix and the oil doesn’t change colour because the food colouring is water soluble. The Alka Seltzer reacts with the water to make bubbles of carbon dioxide. The bubbles attach themselves to the blobs of coloured water and bring them to the top of the glass. When the bubbles pop the blobs of coloured water fall back to the bottom of the glass.