Illustration of the human digestive system. Nice colorful poster, in practical laminated material, which can be written on.
Dimensions: 50 x 67 cm.
English text.
Allows students to explore the rate of water movement and quantify pressure changes occurring in the system.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
Clear PVC Venturi Tube with a constriction and two pressure ports with tubing attached, for use in a pipe network.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Ammonia test vials.
