$0.00
Nice color blindness book with nice illustrations for testing and demonstrating color blindness. Both numbers and figures appear in the book.
Text in both Chinese and English.
Allows students to explore the rate of water movement and quantify pressure changes occurring in the system.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Iron 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 to test a variety of water quality parameters. 30 individual Ammonia test vials.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
The PASPORT Salinity Sensor works with the included Salinity Sensor Probe to measure salinity, conductivity and temperature.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
Designed to be placed in air or water flow. When connected to the General Flow Sensor, aids in measuring pressure differences.
PASCO’s Light Sensor is ideal for indoor and outdoor relative light intensity experiments.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Nitrate test vials.
