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.
A hands-free option for measuring heart rate before, during, and after physical activity.
Allows students to measure temperature by detecting emitted infrared from objects without contact. For use with PASPORT Interfaces.
Used for measuring the temperature of liquids, air, and other materials. ScienceWorkshop Version.
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 Nitrate test vials.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
Clear PVC Venturi Tube with a constriction and two pressure ports with tubing attached, for use in a pipe network.
The Wireless CO₂ Sensor measures carbon dioxide gas levels and wirelessly streams data to your computers, tablets, and smartphones.
Model, measure and understand complex density driven circulation associated with heat transfer through convection.
