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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5Pcs CP2102 USB To TTL/Serial Module Downloader
$21.98Converter BoardAdd to cart5Pcs CJMCU CP2102 USB To TTL/Serial Module UART STC Downloader For Driver Installation Introduction:http://forum.hobbyant.com/forum-topic-56275.html Description CJMCU-CP2102 its highly integrated, built-in USB2.0 full-speed function controller, USB transceiver, crystal oscillator, EEPROM and asynchronous serial data bus (UART), supports full-featured modem signal without any external USB devices. CJMCU-CP2102 works with other USB-UART adapter circuit similar to the driver …
10pcs 180 Degree USB 3.0 Type A female Socket Connector SMT Charging Socket Plug Connector
$10.11Terminal BlocksAdd to cartSpecificationsColorBlueRated Current1.5ARated Voltage30VInsertion Force35N MaxDurability3000 Cycles Min Rubber CorePBT / Icp Ul94V-0 Resistance To Voltage500V Ac Min. Insulation Resistance≥1000MΩPull-Out Force10N Min.Initial 8-20N AfterWorking Temperature-20 Degrees To 60 Degrees Contact Impedance≤30mΩTerminalsBrass C2680,Nickel Base,Gold-Plated 1 u,Package included-10pcs X 180Degree Connectors
Dual Servos Knob Serial Port Control Board Futaba MG995 SG90 Steering Gear Debugging Module
$13.11Other Module BoardAdd to cartFeature1. The onboard stable 8-bit MCU is used to generate high-resolution PWM signals with precise control.2. Support manual mode and return to medium mode, switch by button, with mode indicator.3. Support knob adjustment or serial command control in manual mode.4. The serial port command control can use the matching host computer software or connect to …
Dual Servos Knob Serial Port Control Board Futaba MG995 SG90 Steering Gear Debugging ModuleRead More
Keyes Brick Laser Head Sensor Module (pad hole) with Pin Header Board Digital Signal
$4.36Sensor & Detector ModuleAdd to cartDescriptionThis sensor is fully compatible with ARDUI NO single-chip microcomputer, and its connection port is also compatible with Arduino sensor expansion board. It is mainly composed of a laser head, which is composed of a light-emitting tube core, a condenser lens, and a copper adjustable sleeve. After connecting to the power supply, we directly input …
Keyes Brick Laser Head Sensor Module (pad hole) with Pin Header Board Digital SignalRead More
5pcs DC3~5V AK-119 433.92MHZ 4 Pin Superheterodyne Receiver Board without Decoding -105dBm
$10.37Other Module BoardAdd to cartFeatures1. The product is small in size, high in sensitivity and strong in anti-interference ability;2. The same definition as the four-pin pin of RXB12, the usage is the same. The unit price is lower than RXB12 and can be directly replaced.Technical ParametersWorking voltage:DC3~5VTransmission rate:4.80KBPSQuiescent current:6mAReceive sensitivity:-105dBmDimensions:30 * 9 * 5mmWorking temperature:-20 ° C ~ +80 …
5pcs DC3~5V AK-119 433.92MHZ 4 Pin Superheterodyne Receiver Board without Decoding -105dBmRead More
150g Capacity Quartz Silica Melting Crucible Pot for Gold Silver Platinum Refine
$16.19Glassware KitAdd to cart150g Capacity Quartz Silica Melting Crucible Pot For Gold Silver Platinum RefineDescriptionMaterial:quartzCapacity:150gDiameter:43X57mm/1.69inch X2.24inch(ID*OD)Height:20mm/0.79inchDeepth:15mm/0.59inchNet Weight:40gFeatureQuartz silica melting crucibleProduced by modern ceramic processing technologyHigh orrosion resistance and strength,the temperature resistance up to 2800℃/5072FPerfect for gold silver casting and refine usagePackage included1X Quartz Silica Melting Crucible
WXD3-13-2W Precision Potentiometer 470R 470 Ohm Wirewound Multi-Turn Potentiometer
$4.50Module ComponentsAdd to cartSpecificationsResistance range:470┯Resistance tolerance:÷ 5%Rotation angle:3600 ÷ 20 Number of laps:10 lapsRated voltage:160VStarting torque:3.5 ~ 100mN.mRated power:2W (85 →) 0W (125 →)Linearity accuracy:÷ 0.3%Mechanical durability:10,000 weeksPackage included1 x Potentiometer