US$ 528.00
demonstrating conservation of momentum and energy through ball-to-ball collisions
Beech wood test tube rack holds 12 tubes up to 20mm diameter in a 9-inch frame for organized storage during chemistry and biology experiments
Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk
Plated spring arm with press knob and a single contact stud
and HVAC work
Sodium Chloride (NaCl) Crystal Lattice Model Kit Waves & Oscillation_Wave Motion demonstrating conservation of momentum andSodium chloride lattice kit with 27 color coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions.
US$ 528.00
US$ 259.00
US$ 457.50
US$ 395.00
US$ 390.00
US$ 523.00
US$ 442.00
US$ 329.50