"micro+tube+racks"
Estes NC-50 Nose Cones
Nose cone variety pack for Estes BT-50 rocket body tubes.
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Helmholtz Coils Demonstration Series
Generate a uniform magnetic field perpendicular to the axis of the Teltron D series tubes.
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Phosphate, Low Range
Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab.
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Kinetic Theory Model
Study the motion and behavior of gas molecules with this intriguing demonstration. An electric motor, running at 4 to 12 V DC, vibrates a small platform inside a transparent tube. This platform then violently vibrates the many small stainless steel balls inside the tube.
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HOBO® Water Level Data Loggers
The HOBO® water Level data logger features high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain.
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Ward's® Live Sea Urchin (Strongylocentrotus sp.)
This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.
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Selanastrum, Tube Culture
Freshwater. Unicellular; lunate. Proteose agar.
Characterized by green plastids and cell walls composed of cellulose.
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TeacherGeek Check Valve - ¹/₈"
Check valves allow one way passage of water or air through tubing.
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Boyle's Law
This apparatus is used to Verifying the Boyle’s law when air is decompressed and compressed. A horizontally mounted acrylic tube having a graduated scale (0- 300cm3) along one side. A gas tap closes the tube. Pressure gauge is present next to gas tap. By changing the position of rubber stopper, the effective length of the tube can be selected. The scale measures volume and pressure by means of pressure gauze. Boyle’s law is investigated by changing position of the stopper.
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Sounds Like Science
WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 yrs.
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LaMotte® Total Hardness, Calcium, and Magnesium Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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LaMotte® Chlorine Water Test Kit
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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Nitrate-Nitrogen
Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.
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Turbidity
Pre-calibrated test tubes and labware give fast, accurate results in the classroom or in the lab.