Chemical detection of fingerprints, Utilize alternative methods for detecting fingerprints. Examine some possible methods of gathering evidence when dusting for fingerprints is not effective.
Produces water at 1.9L/hour. About 15L/hour required for cooling condenser and feeding evaporator. Incorporates a low water cut-off. Volatile impurities eliminated. Flexible tubing may be used. Made of copper and bronze with a coating of pure tin. 53x26x49cm. 120V, 1300W.
HOBO* Pendant Wireless Temperature Data Logger, compact, waterproof, has large memory that stores 96,000 measurements, Ideal for measuring temperature in streams, lakes, oceans, and soil environments, +/- 0.5 deg C (+/-0.9 deg F) accuracy
HOBO* Water Level Data Logger, stainless steel, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 30-Foot Depth
Crime scence investigation lab, Use your forensic techniques to solve the crime of the missing frogs from the biology classroom. Four possible suspects have been identified by authorities.
Water Kit, Magnetic Water Molecules, 1 Cup, Contents: Plastic Cup: 1, Water Molecules: 12, Sodium: 1, Chloride: 1, Ethane Molecule: 1, Hydroxyl Group: 1, fun tool to help you teach water concepts, students will use these magnetic water molecules to discover hydrogen bonding, make ice etc
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 13 Foot Depth
HOBO* Water Level Data Logger, stainless steel, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 250 Foot Depth
0.3% accuracy. Measures conductivity, resistivity, dissolved solids. Selectable ranges. Readings internally referenced to standard of 25[degree]C. With RS-232 output, jack, probe. NIST traceable. Measures reagent-grade water for ASTM and more.
Tornadoes, Clouds, and Water Cycle kit, Students learn about tornadoes, clouds, evaporation, condensation, and precipitation with experiments such as creating clouds in a jar and recreating the water cycle
Print…
List View
Easy View (new)
Facebook
Twitter
YouTube
Pinterest
Instagram