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Igneous rocks form through the cooling and solidification of magma or lava. Igneous rocks may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. The set includes Andesite, Basalt, Diorite, Dolerite, Gabbro,...
This premium set includes a stand, rod clamp and ring, all in one packages - eliminating the need to piece together a system for your classroom or lag. Everything is in one box. Stainless steel rod with a powder coated base provides the perfect setup for any experiment. Made from high-quality metal...
Strong alnico magnet with a magnetic pole on each end. It can be used for magnetic field demonstrations and a variety of other lab experiments. Magnet is 7.5cm long, 1.25cm in diameter, and weighs approximately 100 grams.
Hooked Brass Weight, 200 grams. The weight has multiple uses in the lab or science classroom. This weight is hooked above and it has a recessed bottom with a bar which allows multiple weights to hang in tandem. It is not certified but rather used as a basic item in a classroom environment.
Provide students with an understanding of voltaic cells by having them create their own Teach students about reduction-oxidation reactions Allows students to create their own experiments in a guided fashion Includes comprehensive activity guide and student worksheet master copies See below for items...
Friction Rods are 12"; long unless noted. Excellent for demonstrating static electricity
Display version of the Foucault 1851 experiment to demonstrate the Earth's rotation. The 57" high unit contains a maintained pendulum whose precession rate can also be used to calculate latitude or time. This product has a 90 day lead time. Market standard for this type of product.
Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.
Set of 6 hooked aluminum masses with a plastic storage base.
Tuning forks made from alluminum alloy. The frequency and leter scale is stamped on each fork.
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. Its 10cm lens provides 6x magnification. Ideal for use on a lab table, and for dissecting small specimens like owl pellets.
Glass thermometer with red Toluene solution is mounted on a plastic backing card. Range is -40° to +50°C .
This high-quality lens and prism set is useful for teaching a wide variety of optical principles. You get three lenses and four prisms. The lenses are polished on all surfaces. Sizes vary from 52mm to 88mm in length. Lenses include double concave, double convex, and semicircular. Prisms include...
This kit has all the necessary components to explore standing waves. Instructions included. Includes: 1 Variable frequency generator 1 Spool of string 1 Support Stand 1 Steel rod 1 Power cord 1 Chladni Plate 1 Vibration generator 2 Connector cords 5 Weights 1 Fastening piece 6 Bi-convex shapes 1...
This trundle wheel easily rolls along the ground to measure linear distance. A metered counter measures up to 99,999 meters, and the rubber wheel edge provides a steady grip when rolling over different surfaces. Telescoping handle can extend from 43 cm to 76 cm to provide comfortable operation for...
This high quality 27mm lens is mounted in a sturdy black plastic loupe. Available in either 6x or 10x.
The set contains 6 glass lenses: one each of double convex, plano-convex, concavo-convex, double concave, plano-concave, and convexo-concave. Includes a reusable cardboard storage box.
Includes 1 each of 1, 5, 10, 50, 100, and 500 mg weights, and 2 each of 2, 20, and 200 mg weights. Rectangular plastic box with rider and forceps.
This attractive and economical Stirling Engine is both engaging and a great educational tool. It runs by exploiting the heat flow generated by the small temperature differences between room temperature and a container of hot water or ice. The Stirling Engine is an External Combustion Engine (the...
An economical, high quality bench set that is excellent value for introductory lens work. Features include: 74cm extruded aluminum bench with push-on plastic feet and large easy to read scale, three-position riders accommodate push-in stems of optical parts, pushing stem in locks rider in...
Quality linear gratings protected by two glass plates, 60mm x 45mm. Viewing area measures approximately 37mm x 20mm. The DFG525-pk/5 Diffraction Gratings in Slide Viewers has a viewing area of 35mm x 25mm.
Excellent for illustrating Newton's Third Law of Motion and the principle of Conservation of Momentum. The five polished metal balls with thin bifilar suspensions on a unique support design provide for better results and stability. Shipping weight: 1.15 Lbs., dimensions: 5.5" x 6" x 7".
The Celestial Globe is a demonstration device that shows the apparant positions of the stars visible from Earth. The three dimensional representation allows the relative angular positions of the constellations to be visualized and permits students to estimate which stars will be visible from...
Magnifying glass, ideal for both reading and physics experiments Lens measures 4" (100mm) in diameter Unbreakable plastic mount with handle Total length measures 8.5", with lens frame measuring 4" and handle measuring 4.5" Magnifying glass, ideal for both reading and physics experiments. Lens...