Relief model in 1/2 natural size. Provides a schematic representation of the central and peripheral nervous system. Not divisible.
Mounted on plate. Dimensions (WxHxD): 33 x 81 x 6 cm.
This rack filters 0%, 25%, 50%, 75% and 100% of incident light to simplify the study of primary productivity.
Designed to be placed in air or water flow. When connected to the General Flow Sensor, aids in measuring pressure differences.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
Allows students to explore the rate of water movement and quantify pressure changes occurring in the system.
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 to test a variety of water quality parameters. 30 individual Nitrate test vials.
Measures the water content of soil and reports it in percent. For use with PASPORT Interfaces.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
Allows students to explore the rate of water movement and quantify pressure changes occurring in the system.
Allows students to measure temperature by detecting emitted infrared from objects without contact. For use with PASPORT Interfaces.
