Description

levitating above one another when oriented with like poles facing

varying length isolating density as the single variable across materials

and a candle holder

lets students compare how line density per unit length controls the spacing of the resulting interference pattern

Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL levitating above one another whenLarge 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.

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Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL levitating above one another when

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