Wind Pump 2.0 ActivityThe whole class is at the edge of their seats staring as turbine blades tremble, gain speed, and start to whirl! Gears are spinning faster and faster as the cylinder pulls in water, then pushes it out. Its working youre pumping water! You try different blade designs, gear ratios, isolate variables, and raid the recycle bin for blade materials. With each new design, your understanding grows. Challenges and optional labs push your designs to new