Variable Load, used in conjunction with the Energy Sensor to provide a range of resistive loads for projects such as wind turbines or solar panels, Students can adjust the potentiometer to provide resistances between 6 and 255 ohm
Physiological Skeleton, most flexible skeleton. Natural motion, with a flexible spine, a spinal cord with nerve ends, artery, a herniated disc and a sectioned sacrum with a bony flap to see the nervous course, The upper & lower limb, hand, feet, are elastic cord mounted
Harbottle, teaching tool for introducing pressure and discussing its applications, such as vacuum cleaners, flight, pumps, weather, and even how we breathe, balloon and a bottle, Measures 5In in diameter. Grades 5 and up