Cell Nucleus Model Science Classroom thermometers at staggered heights showing

thermometers at staggered heights showing the paradoxical convection pattern of cooling water below 4°C

and an 18mm attachment diameter for pulling small weights in mechanical-advantage experiments

providing the more readily oxidized electrode that drives current in classic galvanic-cell demonstrations

Long-format 150 x 10mm chrome-steel cylinder pair with half-red

and 500mm focal lengths for comparative refraction experiments

Cell Nucleus Model Science Classroom thermometers at staggered heights showingCell nucleus model exposes the nuclear envelope, nucleolus, chromatin, and nuclear pores for introductory cell biology and molecular biology teaching.