Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Used to determine irregular-object volumes

Used to determine irregular-object volumes by water displacement

Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets

with both 4mm stackable sockets and screw terminals so leads wire in without an adapter to either bench standard

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

Used to produce concentric Newton's rings under monochromatic light

Hand-Painted 3D Starfish Sectional Anatomical Model on Base, 18 x 16 inch Light & Optics_Spectroscopy Used to determine irregular-object volumesThree dimensional starfish sectional model reveals echinoderm anatomy, water vascular system, and radial symmetry for marine biology teaching.