Force Table - Precision, 40Cm-Diameter, Extra Thick, Machined Aluminum Tabletop, Easy Assembly, Specially Designed So Your Pulleys Won'T Wobble, Includes A Sturdy Support Rod And Heavy Tripod Base, A Great, Quick Quantitative Demonstration Or Lab Activity
Plants in a bottle kit, photosynthesis and respiration, Kit contains: Student instructions, CO2 Indicator, O2 and CO2 Concentration Color Charts, 4 simulated water samples, 6 labeled droppers, Photosynthesis and Respiration Diagram Sheet, O2 Indicator, O2 and CO2 Test Sheet