This radiometer comprises a partly evacuated glass bulb about 70mm in Diameter mounted on a round base, containing at its centre a fine pivot which supports four light weight metal arms. One side of each vane is blackened , the reverse side is bright. When the light strikes the wings, it transfers the heat to each one, but not at the same degree.
This kit shows your students the exciting properties of electricity with actual experiments which produce visible effects. This hands-on kit has experiments for investigating the following topics: Visible Effect of An Electric Current, Open and Closed Circuits, Switches Control the flow of Current, Series and Parallel Circuits, Short Circuits and many more. Grades: 4-8, Ages 9-13. Includes Teacher's Guide and enough material for five students.
