US$ 119.99
this Solanum nigrum vertical section exposes ovary chambers
supporting virology teaching
5V replacement element so wet-cell demonstrations stay running once the original electrolyte loses charge capacity
potential energy
Temperature range (can be placed in):
Pumice Specimen Pack Size:Single this Solanum nigrum vertical sectionVesiculated volcanic glass foams up during rapid decompression of gas rich lava, producing a lightweight frothy rock that floats on water in classroom demos.
US$ 119.99
US$ 149.38
US$ 17.99