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".2mL PCR tubes"
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Equilibrium Tubes
A set of four borosilicate glass tubes of different shapes connected together to illustrate that liquids will stand at the same level.
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Spectrum Tubes
Spectrum Tubes demonstrate the wave properties of different gases.
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CENCO® Electrodeless Spectrum Tube Power Supply
This safe spectrum power supply features encased spectrum tubes.
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Spectrum Tube Power Supply
Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.
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Speed of a Bubble Set
The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.
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Boomwhackers Tuned Percussion Tubes
Boomwackers are brighly colored plastic tubes tuned by length to musical notes.
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Resonance Apparatus
With the Resonance Apparatus, students investigate the effect of frequency on wavelength.
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TeacherGeek Vinyl Tubing for Hydraulics - ¹/₈ in. Int.Ø
100 feet of extra tubing for TeacherGeek projects.
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Essential Physics Demo: Venturi Tube
Investigate the relationship between the speed of a fluid and its pressure
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Salt Bridge
Comprises an inverted “U” tube with its ends closed by sintered discs. For use in experiments involving the measurement of cell EMF under conditions of forward, zero and reverse current flow. The bridge comprises an inverted “U” tube with its ends closed by sintered discs. This apparatus provides a more effective method of making reversible cells then the wet filter paper or agar gel methods. Dia. of arms 13mm, overall width 80mm, overall height 100mm.
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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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Mysterious Magnet Tube with Steel Filings
Explore beautiful 3-D patterns created by a magnetic field mess free.
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Eisco® Student Coin and Feather Tube
The Student Coin and Feather Tube shows the two items in a vacuum, falling at the same rate.
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Liquid Convection Apparatus
The movement of liquid currents due to differences in temperature is demonstrated by introducing dye into the water in the tube. One corner of the tube is heated and the movement of the dye clearly establishes the currents. The rectangular shaped tube measures 15×21 cm and has an opening at the top.