This set shows meiotic cellular division in every stage.
Models are mounted on a common base.
A hands-free option for measuring heart rate before, during, and after physical activity.
This rack filters 0%, 25%, 50%, 75% and 100% of incident light to simplify the study of primary productivity.
Allows students to explore the rate of water movement and quantify pressure changes occurring in the system.
Used for measuring the temperature of liquids, air, and other materials. ScienceWorkshop Version.
Easily measure heart rate before, during, and after exercise with the data transmitted wirelessly to your devices.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Alkalinity test vials.
Vials contain a vacuum-sealed, color forming reagent for testing a variety of water quality parameters. 30 individual carbon dioxide test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Ammonia test vials.
Designed to be placed in air or water flow. When connected to the General Flow Sensor, aids in measuring pressure differences.
This small plastic bottle is designed to allow simultaneous sensor measurements of oxygen gas and carbon dioxide gas.
