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.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
The PASPORT Breath Rate Sensor uses a disposable dust mask to measure breath rate. For use with PASPORT Interfaces.
Measures the water content of soil and reports it in percent. For use with PASPORT Interfaces.
Model, measure and understand complex density driven circulation associated with heat transfer through convection.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Chlorine test vials.
Set of 5 clear PVC taps for water flow visibility when designing and constructing pipe networks. For use with an Absolute Pressure Sensor.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
This is a Bluetooth, handheld science datalogger that lets students connect multiple wired and wireless sensors, collect data, generate live graphs, and perform data analysis.
Designed to be placed in air or water flow. When connected to the General Flow Sensor, aids in measuring pressure differences.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
