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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50Pcs 12V Female DC Power Socket Jack Plug Wire Connector Cable CCTV DC 5.5 x 2.1mm
$32.76Module ComponentsAdd to cartFeaturesDC 5.5 x 2.1mm.Wire Specification:0.15mm²Length:Approx. 27cmMax Current Rating:2AMax Power Rating:60WTransmission voltage:1V~38VUsage temperature:-50→~65→Material:Copper WireUse for:Led Driver/ Strip connector/ CCTV Camera.Package Included50 x 12V DC Connector Cables
EMC EMI Low Noise Pre-RF Amplifier 20dB 5MHz-5GHz RFamp002
$87.30RF amplifierAdd to cartParameter1. Power supply voltage:11V-15V DC2. Gain:greater than 20DB in the 30MHz-1GHz frequency band3. Input and output impedance:50┯4. Maximum output power:10dBm5. Input signal:-10DBm6. Bandwidth:30MHz to 3GHz (gain is different under different frequencies)Measured gain (prototype)F=5.0MHZ GAIN=13.15DBF=10.0MHZ GAIN=23.89DBF=30.0MHZ GAIN=27.06DBF=50.0MHZ GAIN=27.92DBF=500.0MHZ GAIN=24.84DBF=1.0GHZ GAIN=22.01DBF=1.5GHZ GAIN=20.72DBF=2.5GHZ GAIN=17.65DBF=3.5GHZ GAIN=10.06DBF=4.0GHZ GAIN=9.09DBF=5.0GHZ GAIN=8.90DB7. Noise figure NF (theoretical value)500MHz@ 0.6dB1GHz@ 0.7dB2GHz@ 0.7dB3GHz@ 1.1dB4GHz@ 1.6dB5GHz@ 2.1dBComparison …
EMC EMI Low Noise Pre-RF Amplifier 20dB 5MHz-5GHz RFamp002Read More
RX24 100W 30R 30RJ Metal Aluminum Case High Power Resistor Golden Metal Shell Case Heatsink Resistance Resistor
$6.55Electronic Accessories & SuppliesAdd to cartFeaturesIt has the characteristics of small size, high power and high precision.It is sealed by professional technology.It has the advantages of stronger heat resistance, higher temperature resistance, moisture resistance, high anti-vibration and explosion protection.Scope of application:Testing power supply, frequency converter, automobile LED lamp, automation equipment, audio, frequency divider, servo industry and other harsh industrial control …
5pcs SRX882 433/315MHz Superheterodyne Receiver Module Board for ASK Transmitter Module
$16.71Smart ModuleAdd to cartItem OverviewThe SRX882 is a super-heterodyne receiver module with a micropower and strong driving force in conjunction with the ASK transmitter module. It has high stability, anti-interference and high cost performance, and also has a strong driving force, which can pass ROHS, FCC, CE and other certifications. The data port can be directly connected to …
5pcs SRX882 433/315MHz Superheterodyne Receiver Module Board for ASK Transmitter ModuleRead More
13.5mm Adjustable Laser Pointer Module Holder Mount Clamp 3 Axis
$42.51Engraving Parts & AccessoriesAdd to cartDescriptionMaterial:stainless steelColor:blackMount Inner Diameter:13.5mmSize:40X60mm/1.57X2.36inch(L*H)Feature1. Stainless steel laser moudle holder2. Professional angle and height adjustable design3. Installed on the laser module,it can become a professional laser pointer or laser locator4. Can also used a as a heatsink for the laser module,extend the laser module life time5. Fit for 12mm diameter laser modulePackage included1X Laser Module Holder
Mask Scary Glow Mask LED Mask for Halloween Mask Party Masks Neon Maske Skeleto Halloween Party Decor
$17.17EL ProductsAdd to cartColor. Red / Color. Orange / Color. Yellow / Color. Blue / Color. Blue / Color. Purple / Color. White / Color. Pink / Color. Fluorescent Green / Color. Green / Color. Transparent Blue /