Category: Science Education
Showing 1–16 of 546 results
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Chemistry (112)
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Physics (198)
0-9999.9 Variable Resistor Substitution Box Ohm Adjustable Substitution Resistance Knob Switch Precision Physical Experiment
$54.66PhysicsAdd to cartDescriptionThis Resistor Substitution Box with Adjustable Knob Switch Used for Precision Measuring ResistanceSpecificationMaterial:PlasticColor:BlackDimension:140*100*50mmOperating Temperature:0-40℃Relative Humidity:25%-80%Reference Power:0.5WRated Power:1WAdjustable Range:0-9999.9ΩFeatures1.Convenient instrument in determining the desired resistance values in circuits under design or test.2.Wide application in lab physical experiment for its accurate reading.3.Better use knob switch designed according to your needs, 0 to 9999.9Ω variable resistance, 5 switchable …
0~150 PSI & Gas Disconnect Regulator CO2 16g Charger Kit for Home Beer Kegerator
$68.84PhysicsAdd to cartDescription0~150 PSI & Gas Disconnect Regulator CO2 16g Charger Kit is made from machined anodised aluminium.SpecificationPressure:0~150 PSIDisconnect Height:55 mmCharger Height:80 mmTotal Length:135 mmColor:As the picture shownFeatures1.Made from machined anodised aluminium.2.This Premium Regulator CO2 Charger comes with a gas disconnect.3.Simply screw on the MFL threaded disconnect, attach to your keg, and set the dispense pressure.4.The Premium …
0~150 PSI & Gas Disconnect Regulator CO2 16g Charger Kit for Home Beer KegeratorRead More
1/2x 0.8mm 1Kg ER70S-6 / ER50-6 Carbon Machine Steel Gas Shielded Welding Wire
$59.56ChemistryAdd to cartDescriptionWhen welding, the welding wire has fast melting speed, stable arc, less welding spatter, beautiful weld bead formation, strong anti-oxidation and corrosion resistance, low sensitivity of cladding metal pores, and good all-position welding process.Uses:GF is used in large-scale hydraulic steel structures, ships, power stations, boilers and pressure vessels, petrochemicals. Welding of 600Ma very low alloy …
1/2x 0.8mm 1Kg ER70S-6 / ER50-6 Carbon Machine Steel Gas Shielded Welding WireRead More
1/35 Stainless Steel AFV Digital Camo Spray Template Stenciling Leakage Spray Mould
$14.16ChemistryAdd to cartSpecificationMaterial:Stainless steelColor:Stainless steelPattern:Modern AFV Digital CamoScale:1/35Size:8x8cmApplication:Gundam model toolFeatures Stainless steel material, not easy to rust Long life and durable Easy to usePackage include 1 x Spray Template
1/4 inch Exhaust Seal Valve for Home Brew Fruit Wine Alcohol Distiller Part
$16.19ChemistryAdd to cartDescription1/4 Inch Exhaust Seal Valve Distiller Part is suitable for Home Brew Fruit Wi ne Alcohol.SpecificationColor:TransparentMaterial:Metal+PlasticFit for:Alcohol DistillerWeight:46gSize:53*210mmConnector:1/4inchPackage included1 x Exhaust valve
10 inch Wood Tambourine Percussion Jingles Bell Musical instrument Kids Educational Toys
$23.88MathematicsAdd to cartFeaturesSo easy to hold, just shake along with your favorite tunes or make up your own rhythms to play.It will give little ones hours of fun and will encourage toddlers’ musical activities.Great for percussion sounds.Also great for kindergarten teaching.SpecificationsMaterial:WoodDiameter:Approx. 255mm/10inchHandle Color:WoodBells Quantity:8pcsSuits for:3 to 14 years old kidsPackage Includes1x Tambourine
10 LED Helping Hand Clamp Magnifying Glass Soldering Iron Stand Magnifier Tool
$52.64PhysicsAdd to cartFeatures– Multi Purpose:Our helping hands magnifying glass with LED light can be used as a magnifier and a desk lamp, application range for soldering, building models, electronics repair, DIY projects, electronic welding, reading, stitching, sewing, biological observation etc.– Magnifying Lens:3X Illuminated Helping Hand Magnifying Glass Station with 4.5X Auxiliary Lens.– Adjustable Arms:360° rotating neck and …
10 LED Helping Hand Clamp Magnifying Glass Soldering Iron Stand Magnifier ToolRead More
10 LEDs Wood Sailing Boats Ship Model Wooden Craft Sailor Handcrafted Boat Home Decoration
$32.39PhysicsAdd to cartNote:Products are handmade, or semi handmade, it is inevitable to have a small manual traces, which just restore its artistry and artistry and uniqueness, the product is not a flaw.Package include1 x Wooden Sailboat ModelSpecificationsMaterial:Pine WoodenColor:Blue + Wood ColorLED Quantity:10 LEDsSize:Approx. 21x21cm/ 8.27×8.27inchBattery:2x CR2032 Batteries (Not include)Application:For home, office and other space.Features With bright LED …
10 LEDs Wood Sailing Boats Ship Model Wooden Craft Sailor Handcrafted Boat Home DecorationRead More
10 OZ Graphite Crucible ingot Bar Combo Mold for Silver Gold Melting Casting
$38.46ChemistryAdd to cart10 OZ Graphite Crucible Ingot Bar Combo Mold For Silver Gold Melting CastingDescritpionMaterial:graphiteSize:72X57X12mm/2.83inch X2.24inch X0.47inch(L*W*H)Slot depth:4/3/1.5mmCasting Cavity Capacity:10ozGraphite IndicatorBulk densit ≥1.82 g/cm3Electric resistivity ≥9 μ Ω mBending strength ≥45 Mparesist compression ≥65 MpaAsh ≤0.1 %particle ≤43 um(0.043 mm)FeatureGold graphite ingot moldMade from high density fine grain graphiteSet multi casting capacity in one moldPerfect for gold …
10 OZ Graphite Crucible ingot Bar Combo Mold for Silver Gold Melting CastingRead More
10 World Earth Globe Map Geography LED Illuminated for Desktop Decoration Education Kids Gift
$75.98GeographyAdd to cartSpecificationMaterial:PVC (Polyvinyl Chloride) + PS (Polystyrene) + MetalType:Rotating + LED LightMap View:WorldLanguage:EnglishTheme:Geography Study/Play/LearningDiameter:25cmHeight:36cmVoltage:220VFeatures– Comes with a simple arc stand that attaches easily, spins on it’s axis.– Special design, with LED Light.– 25 cm Swivel Globe encourages inquisitive children to explore and think big. Updated geographical sphere – rotating desktop map of the world Perfect desktop …
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High-speed Isolation USB To TTL Serial Module Power Isolation Optocoupler Isolation
$15.30Converter BoardAdd to cartOverviewOptical isolation USB to TTL Serial Module Equipped with CH340T USB to serial chip, achieved the power and TTL signal isolation,High-speed and stability, it could avoid the damage of USB and computer blue screen or other issues while use the USB to TTLserial port module, due to improper operation or other external impact on the …
High-speed Isolation USB To TTL Serial Module Power Isolation Optocoupler IsolationRead More
3pcs 3.5mm Plug Jack Stereo TRRS Headset Audio Socket Breakout Board Extension Module
$4.46Converter BoardAdd to cartFeaturesName:Audio breakout board1. TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards.2. TRRS stands for “Tip, Ring, Ring, Sleeve, Inch which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground.3. Some devices use the extra conductor for a microphone …
3pcs 3.5mm Plug Jack Stereo TRRS Headset Audio Socket Breakout Board Extension ModuleRead More
6.5×55 Laser Bore Sighter Red Dot Sight 6.5mm x 55 Brass Cartridge Boresighter Caliber
$20.24Laser BoresighterAdd to cartCaution:Avoid direct eye exposure to the laser beam. Laser radiation is emitted from the aperture.SpecificationHousing Material:BrassLaser Type:Red LaserLaser Wavelength:635~655mmMax Output PowerPower Supply:3Pcs LR41 Batteries (NOT Included)Battery Installation:Positive side facing outwards. Look at your button cell battery, you will see inch+inch on the flat side commonly, which means positive. And the other slightly rounded side is …
6.5×55 Laser Bore Sighter Red Dot Sight 6.5mm x 55 Brass Cartridge Boresighter CaliberRead More
AD584 Voltage Reference 2.5V/5V/7.5V/10V High Precision Reference Source for Voltmeter Calibration
$32.36RF amplifierAdd to cartSpecificationInput voltage:15VOutput voltage:2.5V/5V/7.5V/10VAccuracy:0.0001Warn floating:15ppm/→Size:5*5cm(not included SMA)Package included1 x AD584 Voltage Reference 2.5V/5V/7.5V/10V High Precision Reference Source
5pcs LilyPad MCP9700 Temperature Sensor Module
$16.04Sensor & Detector ModuleAdd to cartDescriptionDetecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to digital conversion on the signal line will allow you to establish the local ambient temperature. Detect physical …
76M-108M 2-channel FM Transmitter Board Stereo Wireless Audio Transmission Transmitter Module
$33.20Other Module BoardAdd to cartDescriptionTwo-channel stereo FM transmitter moduleWorking voltage:DC 3V-16VWorking current:17mASize:49mm*31mmFunction description2-channel FM stereo transmissionPower-off memory functionworking frequency displayInput volume and transmission frequency are adjustablesupport wide voltage supplyworking current, small emission efficiency, high power supply, durableRestore factory settingsultra low back noiseInstructions for use– Key:short press, frequency reduction, 0.1MHz;+ key:Short press, increase the frequency by 0.1MHz, long press, restore …
80x50x20mm Corrosion Resistant Aluminum Split Body Aluminum Box Enclosure Case for Electronic DIY
$14.16Electronic Accessories & SuppliesAdd to cartFeaturesHeavy gauge extruded aluminum construction | Easier for drilling, soldering, screwing, problem fixing.Excellent electromagnetic shielding performance;Front and back panels and fasteners are included.Heavy gauge extruded aluminum construction.Excellent electromagnetic shielding performance.Built-in grooves for holding circuit board.Corrosion resistant, lightweight.Durable in use.Great for electronic projects, power supply units, student projects and amplifiers, etc.SpecificationMaterial:extruded aluminumColor:blackSize:80x50x20mmPackage Included1 x 80x50x20mm Enclosure …
4000Peak Power inverter DC12V To AC220V Power Converter Car USB Charger inverter Modified Sine Wave
$157.94InvertersAdd to cartPower InverterFeature– The power inverter can convert DC12V to AC220.– Overload, over temperature, short-circuit, low voltage, over voltage protection.– Stable performance and precise output voltage.Built-in cooling fan with low noise.– Comes with a car charger and a pair of crocodile clip, convenient to use.– Perfect for television, DVD player and other household appliances.Specifications– Color:Black– Frequency:50+/-3Hz– …