Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL which also mounts to bench

which also mounts to bench edges and boards of equal thickness

levitating above one another when oriented with like poles facing

varying length isolating density as the single variable across materials

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Laboratory table clamp mounting rods to benches up to 2

Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL which also mounts to benchLarge format 8. 7 by 6. 5 by 4 inch ventilation apparatus modeling historic mine gallery airflow and domestic chimney convection through a candle driven hot air rise demonstration.