Today we made an Archimedes Screw and used it to pump water from a low reservoir to a higher one against the Law of Gravity. We used plastic tubing and duct tape wrapped around an empty bottle. We coloured some water with food dye so that we could see what was happening more easily. Each time we turned the screw in the lower 'reservoir' the tubing collected some of the water. Gradually, with each new turn, water travelled up to the top of the tube and was released into the upper 'reservoir'.
We were so delighted by our experiment that we had to show everyone in school how it worked.
We also learned about the Greek scientist, Archimedes. A very clever man whose discoveries still influence the way we pump water today. Did you know that windmills in the Netherlands use the same principles to pump water behind the dykes and polders keeping the land, which is below sea level, free of water?