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.
The PASPORT Water Quality Colorimeter is designed specifically to support the chemical analysis of water samples using PASCO’s ezSample Snap Vial test kits.
PASCO’s Light Sensor is ideal for indoor and outdoor relative light intensity experiments.
The PASPORT Salinity Sensor works with the included Salinity Sensor Probe to measure salinity, conductivity and temperature.
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.
