4-Pack Polypropylene Graduated Cylinders with Octagonal Base, 500mL Chemistry_Chemicals Drawn aluminum rods at 300

Drawn aluminum rods at 300 by 3mm in a ten-pack

and nucleus for single-celled organism anatomy teaching

One-pound metal ball painted black with three fixed eyebolts of 3/8-inch inner diameter

Seven-junction copper-and-iron thermopile from four 130mm wires of each metal

the slow-conducting comparator that highlights how much faster copper and aluminum transfer heat through identical geometry

4-Pack Polypropylene Graduated Cylinders with Octagonal Base, 500mL Chemistry_Chemicals Drawn aluminum rods at 300Four pack of 500mL polypropylene graduated cylinders features octagonal anti roll bases for mid volume measuring without glass breakage risk.