Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves
VWR* Visual Scientifics Photogate Sensor, Four Modes: Gate, Pulse, Pendulum, Frequency, also Works with VISUAL SCIENTIFICS and numerous physical science systems, This kit contains: 2 Photogates, 2Connecting wires, Main photogate hub and control, Wall charger
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
Visual Scientifics Extended Inclined Plane, Extended Length Allows For Easier Investigations Of Newton'S Laws And Collisions. Consists Of Incline Plane With Track, Car, Mounting Rods, And Hardware, Pulley Attachment, And Nylon Cord