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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3pcs 6mA 3-100CM Adjustable infrared Digital Obstacle Avoidance Sensor Module
$20.45Sensor & Detector ModuleAdd to cartSpecificationsWorking voltage:DC 3.8V-5.5VWorking current (5V):typical current 6mAInput and output signals (3 lines):GND, VCC is power, and VCC is 3.8V-5.5VObstacle detection time (range from obstacle-free to obstacle-free or obstacle-free to obstacle-free)Working Principle:Sensors actively emit infrared light, according to reflected light detection, if detected obstacles, OUT foot output 0, otherwise 1.Detection distance (test environment, indoor, maximum power, …
3pcs 6mA 3-100CM Adjustable infrared Digital Obstacle Avoidance Sensor ModuleRead More
60x90cm Woven Wire 304 Stainless Steel Filtration Grill Sheet Filter 4 Mesh
$74.87Mesh & Wire ClothAdd to cartDescriptionStainless Steel Woven Wire is widely used in stainless steel mesh screen filter and protectivedecorative, scope throughout the mining, petroleum, chemical, food, medicine, machinerymanufacturing, construction, decoration, electronics, aerospace and other industries.SpecificationMaterial:Stainless steelSize:60x90cmMesh:4Features– Acid and alkali resistance, good corrosion performance; high strength, tensile, toughness and wear resistance, durable;– High temperature oxidation– Normal processing, plastic processing that …
60x90cm Woven Wire 304 Stainless Steel Filtration Grill Sheet Filter 4 MeshRead More
5Pcs 2381BS 0.28 inch LED Digital Tube 3-digit Common Anode Bright Red Light
$5.18Electronic Accessories & SuppliesAdd to cartSpecificationType:0.28inch Three-digit digital tubeDimensions:22.53mm*10mm*7mm (length * width * thickness)Color:Red lightQuantity:5PcsPackage included5Pcs LED Digital Tube
3Pcs 15W TDA7297 Dual-Channel Amplifier Board
$22.42Amplifier BoardAdd to cart3Pcs 15W TDA7297 Dual-Channel Amplifier Board For Features AC / DC, 2.0 / dual channel / stereo,12V/2A when using, the output power of 15W +15 W, peak up 25W +25 W Can be accessed by two 4-8Ω 10-50W speakers A large volume of small size High signal to noise ratio Upgraded version of the radiator, …
5pcs 4S 16.8V BMS PCB 18650 Lithium Battery Charger Protection Board Balanced Current 100mA
$19.95Battery Protection ModuleAdd to cartFeatureName:Lithium battery balancing boardScope of application:3.7V Nominal voltage, 4.2V full voltage lithium battery (including 18650, 26650, polymer lithium battery)Size:20 x 30 x 2.4mmAdaptable voltage:16.8VBalanced current:100mA, suitable for 2000-4000 mah batteryNote:this product cannot be used instead of lithium battery protection board (not overcharge protection and discharge protection function)Package included5 x Lithium battery balancing board
UWB Ultra Wideband Antenna 2.4Ghz – 10.5Ghz Pulse PCB Antenna Module
$17.48Motherboard & Development BoardAdd to cartFeaturesThis is an improved UWB antenna, mainly used for ultra-wideband positioning, communication and so on.The antenna coverage frequency is 2.4GHz-10.5GHz, and the standing wave is usually less than 2.5.The antenna is characterized by small size and high efficiency.Ultra-wideband UWB antenna, high transmission rate.UWB pulse forming technology, a worthwhile antenna for you.SpecificationMaterial:PCBColor:as picture shownWorking frequency:2.4GHz-10.5GHzPolarization mode:vertical …
UWB Ultra Wideband Antenna 2.4Ghz – 10.5Ghz Pulse PCB Antenna ModuleRead More