Introduction, coding and robotics, For grades 3, 4 and 5. Includes access to download standards based curriculum with worksheets, rubrics, and more. 200 parts - including software and control unit.Packed in plastic Gratnells storage box.
Phase and Group velocity Precision apparatus uses sound waves to clearly show phase and group velocity concepts. Make precise measurements of the velocity of sound in three different liquids. Three measurement techniques allow characteristics to be examined
Kit, Set of apparatus for carrying out 10 basic student experiments on radioactivity. In a robust Gratnell tray with foam inserts molded to the shapes of the items and a transparent lid. Includes a CD with instructions for the experiments.
Mechanical Effect demonstration, To demonstrate that cathode ray has kinetic energy that makes the blade wheel rotateCathode Rays exert a pushing effect on objects it falls on, is shown bythe rotation
Teltron Critical Potentials Tube S with He-Filling for quantitative investigations of inelastic collisions of electrons with inert gas atoms. Cathode filament voltage: UF </= 7V; Anode voltage: UA </= 60V; Anode current: IA </= 10 mA
Geiger Counter, Versatile, easy to use and compact precision instrument for measuring alpha-, beta- and gamma-radiation. Filter selection switch at the front of the Geiger-Muller counter tube for filtering out types of radiation