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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125pcs SN74HC595N 74HC595 74HC595N HC595 DIP-16 8 Bit Shift Register IC
$25.27Electronic Accessories & SuppliesAdd to cartSpecification74HC 595N ICBits:8Pin:16Logic family:HCLogical function:shift registerOutput type:3-StatePropagation delay time:285nsOperating supply voltage (Typ):2.5V / 3.3V / 5VOperating temperature:-55°C ~ 125°COperating supply voltage (Min):2VOperating supply voltage (Max):6VOperating temperature classification:MilitaryMounting:HoleIntegrated circuit with small size and light weight, high reliability for improving the reliability of equipment.Package included125 x 74HC595N 8 bit shift register IC
3pcs Logic Level Shifter Logic Level Converter Voltage Level-Shifting Translator Module 8-Bit Bi-directional for OPEN-SMART for Arduino – products that work with official for Arduino boards
$6.55Converter BoardAdd 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.DescriptionThis is high speed 8-Bit bidirectional voltage-Level translator module. It is commonly used to match those circuits whose logic level is inconsistent, such as 5V for Arduino motherboard IO ports and peripheral …
20pcs DC 5V Step Up Boost Converter Voltage Regulate Power Supply Module Board with Enable ON/OFF
$72.05Boost & Buck 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.SpecificationsWorking frequency:1MHzUp to 94% Efficiency (usually is 75%-91%) Quiescent current:Turn on output 210uA,Turn off output 5uA. Operating temperature:-40~+85 →Storage temperature:-65~+150 →Size:20 x 15 x 6mmWeight:1.5g ProtectionOver current protection(OCP)Over voltage protection(OVP)Short circuit protection(SCP)Over …
3pcs DC3-9V 315MHZ Wireless Receiver Module High Power RF Wireless Transmission Receiving Board
$13.92Smart ModuleAdd to cartDescriptionStable performance;Wide operating voltage range;Good product consistency and high cost performance;The on-board coding chip is easy to use.Technical parameterWorking voltage:DC3-9VWorking frequency:315MHZ (optional)Standby current:0mAWorking current:15mACoding method:Fixed codeTransmission distance:>500m (opening board sensitivity is above -103dBm)Output power:15dBm (32mW)Transmission rateModulation method:OOK (amplitude modulation)Working temperature:-10°C~+70°CSize:36 * 23 * 8mmPIN:NAME:Function1:13:Data pin2:12:Data pin3:11:Data pin4:10:Data pin5:VCC:Power +6:GND:Power –7:ANT:Antenna endPrecautions for use1. Use a …
2Pcs TEC1-19906 40*40MM DC24V 6A Semiconductor Refrigeration Chip High Power Radiator Refrigerator Freezer
$29.08Other Module BoardAdd to cartFeaturesModel:TEC1-19906Rated voltage:DC24vRated current:6ACold production:86.4WMaximum temperature difference:65Dimensions:cold surface 40mm*40mmHot surface 40mm*44mm3.8mm thickWeight:about 25 gramsWorking characteristics:cooling on having word side and heating on the other.Positive and negative:red line is positive, black line is negativePackage includes2 x TEC1-19906
20pcs WITRN-CC001 TYPE-C Male to Female Connector TYPE-C Adapter Board Test Fixture Module
$201.72Converter BoardAdd 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.FeaturesAll interfaces of TYPE-C adapter board are led out, all interfaces are independent, which is convenient for TYPE-C development and debugging.Package Included20 x WITRN-CC001 TYPE-C Adapter Board
10Pcs IIC / I2C 1602 Blue Backlight LCD Display Screen Module
$52.97Display ScreenAdd to cartDifferent color display for you to chooseIIC I2C 2004 Blue display:Product ID:908616IIC I2C 1602 Blue display:This itemIIC I2C 1602 Yellow Green display:Product ID:950728IIC I2C 1602 Yellow-Green with housing:Product ID:1220588IIC I2C 1602 Blue with housing:Product ID:1220628ParameterPower supply voltage:+5 vSupport the I2CWith the Blue backlight, and contrast to adjust potentiometerFour line output more simplerIIC addressChip:8574AT 0x3FChip:8574T 0x27Wiring …
10Pcs IIC / I2C 1602 Blue Backlight LCD Display Screen ModuleRead More
MAX30105 High Sensitivity Optical Sensor Module Particle Sensing Smoke Fire Detector Flame Sensor
$80.99Sensor & Detector ModuleAdd to cart>>>Manual:Click here to openFeatureSupply voltage:DC5VWorking environment temperature:-40 ° C ~ 85 ° CCommunication interface:IICUltra low power consumption:programmable sample rate and LED currentStandby current:0.7uA, typicalDimensions:24.6 x 14.5mm with two M3 mounting holesPackage includes1 x Sensor module