Middle schoolers determine the basic types of pumps and how they work in terms of pressure, velocity, and elevation differences. They build two examples of gravity-driven water pumps.
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If You're Under Pressure, Blame It On The Air Force
Pupils complete an experiment in which they demonstrate that air exerts a force. In groups, they create their own siphon and define air pressure. They estimate the time it might take to siphon various amounts of water. They collect,...
3rd - 6th Science