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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15x15cm Woven Wire Cloth Screen Stainless Steel 304 60 Mesh
$13.35Mesh & Wire ClothAdd to cartDescriptionStainless Steel 304 Woven Wire Cloth Screen is widely used in acid and alkali environment screening andfiltration, barbecue nets, handicraft nets, food machinery nets, cooking nets.SpecificationMaterial:Stainless steelSize:15x15cm(6inchx6inch)Mesh:60ApplicationWidely used in acid and alkali environment screening and filtration, barbecue nets, handicraft nets, foodmachinery nets, cooking nets, can also be used for solid material classification filtering, liquid and …
15x15cm Woven Wire Cloth Screen Stainless Steel 304 60 MeshRead More
YJ-QCC3003 Bluetooth 5.0 Module for Power Amplifier Board
$47.10Amplifier BoardAdd to cartDetails1. The Bluetooth core uses QCC3003 chip, supports A2DP, AVRCP, HFP, AAC, I2S, etc., and uses 16M SPI FLASH memory chip. DAC adopts imported PCM51022. The electrolytic capacitor adopts the gold word SANYO 470UF/16V electrolytic capacitor to ensure strong and continuous power support.3. High-precision chip resistors are selected for the resistors to ensure a good …
YJ-QCC3003 Bluetooth 5.0 Module for Power Amplifier BoardRead More
10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROM IC
$23.68Electronic Accessories & SuppliesAdd to cart10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROMFeatureSuitable for microprocessor systems requiring large data or program storage.It is organised as 2 M Words of 16 bit. The pin-out is compatible with a 32 Mbit Mask ROM.The FDIP42W has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the …
10Pcs Orinigal M27C322-100F1 DIP-42 Mbit 32M EPROMs EPROM ICRead More
120pcs 2.8 4.8 6.3 insert Plug Spring Sheathed Wire Terminal Connector Cold Pressed Terminal 0.5-2.5mm2 Connector
$7.32Electronic Accessories & SuppliesAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.DescriptionName:2.8mm Spring ConnectorsMode:DJ622-2.8Applied Wire Diameter:0.5-0.8mm2Material:Brass tinned(Sheath:flame retardant material)Usage:All the device switch,rocker switches,vehicles,battery and domesticuse.Name:4.8mm Spring ConnectorsMode:DJ622-4.8Applied Wire Diameter:0.5-0.8mm2Material:Brass tinned(Sheath:flame retardant material)Usage:All the device switch,rocker switches,vehicles,battery and domesticuse.Name:6.3mm Spring ConnectorsMode:DJ622-6.3Applied Wire Diameter:1.0-1.5mm2Material:Brass tinned(Sheath:flame …
5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger 240V2A
$18.21Relay ModuleAdd to cartSpecificationInput Power Supply:12V DC Load Voltage:AC240V 2AMaximum operating current:13.8mATrigger mode:low levelInput control signal voltage(0-2.5V low state relay OFF)(3.3-5V state high relay ON)Blue KF301 terminal connection control line is more convenient.Module interfaceDC +:positive power supply (by relay voltage power supply)DC-:connect power negativeCH:Relay Module signal triggering end (Low level trigger effective)Note:Power must be DC voltage and need …
5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger 240V2ARead More
Geekcreit ESP32 WiFi+bluetooth Development Board Ultra-Low Power Consumption Dual Cores Pins Unsoldered
$15.30Smart ModuleAdd to cartDescriptionESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module.The entire solution takes up the least amount of printed circuit board area.This board is used with 2.4 GHz dual-mode Wi-Fi and bluetooth chips by TSMC 40nm low power technology,power and RF properties best, which is safe, reliable, and …
RF Envelope Detector Amplitude Detection Discharge Signal Detection Module
$19.67RF amplifierAdd to cartDescriptionThis product uses a voltage doubler detector (consisting of two reverse microwave diodes), 1 time sensitive than single-tube detector(about 6dB),high sensitivity (typical -30dBm, or even to -40dBm) not ordinary 2AP9,1N60 can emulate.The envelope detection principleFeature1. Maximum input:20dBm2. Detection output:The default is positive3. Working Frequency:0.1-3200MHz4. RC Filter:R = 10K, C = 1nF; (two elements in parallel …
RF Envelope Detector Amplitude Detection Discharge Signal Detection ModuleRead More
ZPHS01 All-in-one Gas Detection Module Carbon Dioxide Dust PM2.5 Sensor PM2.5 + CO2 + VOC + Temperature + Humidity Detector
$129.99Sensor & Detector ModuleAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.NoteThis is PM2.5 + CO2 + VOC + Temperature + Humidity PM2.5 + CO2 + CH2O + Temperature + Humidity ID:1680902OverviewThis is an all-in-one module integrating VOC sensor, laser dust sensor, infrared …