Karst, Caves and Water Action Landform Model, 2-Part Type_Geographical cerebellum

cerebellum

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

Large-format 150mm convex glass mirror at 150mm focal length and ~5mm thickness

all 23mm thick

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

Karst, Caves and Water Action Landform Model, 2-Part Type_Geographical cerebellumTwo part karst landform model with a removable surface that exposes caves, stalagmites, stalactites, and an underground lake, mapping 32 keyed features across the subsurface.