Fire Piston

Purpose: Illustrates Charles’s law, How the temperature increases with the pressure. Parts: Fire piston Combustible cotton fiber Setup: Pull out the plunger and drop in a small piece of cotton fiber into the tube. Reinsert the plunger gently so that it just enter the mouth of the piston chamber as… Continue reading »

Determine “absolute zero” temperature

Purpose This demo allows the determination of the “absolute zero” ┬átemperature. Parts Pressure ball, found on shelf N2 Boiling water Ice water Dry ice and alcohol Set up Measure pressure inside ball after submerging in boiling water, ice water, and alcohol-submerged dry ice; this will allow… Continue reading »