Du søgte efter: Undervisningsmateriale
A comprehensive catalog of education materials, instruments, and tools available through Avantor allows users to more effectively teach subjects of biology, physics, language arts, chemistry, earth science, forensics, math, and environmental studies. Many interdisciplinary kits allow students to match skills across a variety of subjects in order to better absorb key concepts and procedures. Educational materials are designed to be durable and user-friendly for accessibility with users of all levels.
Strings for monochord
Supplier: CORNELSEN EXPERIMENTA
Educational Materials, Waves and Oscillations, Ansøgning: Physics, Strings for monochord
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Pendulum balls
Supplier: CORNELSEN EXPERIMENTA
Educational Materials, Mechanics, Ansøgning: Physics, Pendulum ball, steel, 25 mm
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Diffraction/transmission gratings
Supplier: 3B Scientific
Transmission grating for spectroscopic examinations and for experiments on diffraction and interference. Suitable to resolve the sodium D lines.
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Tube holder S
Supplier: 3B Scientific
Tube holder to support all S series electron tubes for easy and safe operation. The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage. The base plate has a slot for attaching the Helmholtz pair of coils S.
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Tambourine
Supplier: CORNELSEN EXPERIMENTA
Metal frame with tension spring and membrane of Papyrolin. With the help of two tambourines and a pendulum ball, experiments with pressure waves can be performed.
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Leclanche element
Supplier: CORNELSEN EXPERIMENTA
Used in electrochemistry. Voltage, max 1.5 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, carbon electrode, manganese oxide, crocodile clamps and lid. Fill with ammonium chloride solution (20%).
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Daniell element
Supplier: CORNELSEN EXPERIMENTA
Used in electrochemistry. Voltage, max 1 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, cylindrical copper electrode and crocodile clamps. Fill with copper sulphate (10%) or zinc sulphate (10%). A light-rotating motor with a propeller is suitable as a voltage indicator.
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Bunsen element
Supplier: CORNELSEN EXPERIMENTA
Used in electrochemistry. Voltage, max 2 V. The unit is divisible and consists of glass beaker, cylindrical zinc electrode, plastic beaker, carbon electrode, crocodile clamps and lid. Fill with nitric acid (65%) or sulfuric acid (8%). A light-rotating motor with a propeller is suitable as a voltage indicator.
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Plexiglas rod
Supplier: CORNELSEN EXPERIMENTA
Used in electrostatic experiments. Equipped with holes, 4 mm, at one end for connection of conductor ball or capacitor plate.
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Resistance boards
Supplier: CORNELSEN EXPERIMENTA
Used to show how metal wire resistance depends on length, cross-sectional area and material. Made of plastic and equipped with 6 tensioned wires connected with 4 mm banana plugs.
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Buoyancy measuring apparatus
Supplier: CORNELSEN EXPERIMENTA
Equipment to determine the buoyancy of different materials. It consists of three balls - wood, styrofoam and plastic, a pulley, and twine. The balls incorporate a hook for attachment of twine. Stand not included.
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Solar cells, experimental kit
Supplier: CORNELSEN EXPERIMENTA
The kit contains components for basic laboratory work with solar cells. The components are simply designed and the students quickly build their experimental setups. With the rate, e.g. the following are studied.
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Discharge
Supplier: CORNELSEN EXPERIMENTA
Insulating rod with two adjustable metal arms with ball ends.
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Insulating rod
Supplier: CORNELSEN EXPERIMENTA
High voltage porcelain insulator. The high-voltage side is equipped with two radial and one axial holes for 4 mm banana pins and a slot with a clamping screw for plates with a maximum thickness of 4 mm. The grounded side has a radial hole for 4 mm banana pins. Insulation voltage: max 25 kV.
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Plastic fibers
Supplier: CORNELSEN EXPERIMENTA
For demonstration of electric field lines and electrostatic charge.
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Resonance apparatus
Supplier: CORNELSEN EXPERIMENTA
For acoustic detection of standing sound waves and for determining the wavelength of the sound source and then the speed of sound in air (Velocity=frequency×wavelength). The system is filled with water and a sound source (tuning fork) is held to the open tube end. By varying the height of the reservoir and the height of the liquid in the tube students can determine the wavelength using audible effects associated with standing waves.
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Demonstration thermometer
Supplier: MOLLER THERM
Milk glass scale on polished wooden board. Colored liquid filling. Measuring range -10 to +100 ° C, 0 to +80 ° R, +20 to +212 ° F.
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Blodgruppering
Supplier: LABDESIGN
Educational Materials, Blood Analysis, Ansøgning: Retsmedicin, Anti-AB. serum to detect blood type AB
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Poster, dependence chart
Supplier: 3B Scientific
Educational Materials, Physiology and Health, Ansøgning: Biologi, Plakat, narkotikaafhængighed, lamineret
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Thermistors
Supplier: GR NNA PLASTEMBALLAGE AB
Semiconductor type nonlinear resistors with large negative temperature coefficient (NTC resistors). Used for studies of temperature dependence of resistances, such as temperature sensors, current limiters, etc. Of standardized disc type with connecting wires.