{"product_id":"smart-irrigation-system-with-water-pump-school-project","title":"Smart Irrigation System with Water Pump – School Project - Go Science Classroom Series","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eSmart Irrigation System with Water Pump – School Project - Go Science Classroom Series\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003ciframe width=\"350\" height=\"350\" src=\"https:\/\/www.youtube.com\/embed\/I9s6NgF_9gY\" title=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eAutomatic Plant Watering Concept Kit\u003c\/h2\u003e\n\u003ch3\u003eSchool Project \u0026amp; Demonstration Model\u003c\/h3\u003e\n\u003ch4\u003eGo Science Classroom Series — Educational Concept Model Kit\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDetect dry soil. Trigger automatic watering. Watch water flow. See the pump stop when the soil becomes moist.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGo Science Smart Irrigation System with Water Pump\u003c\/strong\u003e transforms soil-moisture sensing, automatic switching and water-pump operation into one connected working model students can \u003cstrong\u003eobserve, test, understand and confidently demonstrate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRather than showing a moisture sensor and pump as separate components, the model connects them into a complete automatic irrigation sequence:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDry Soil → Moisture Detection → Control Signal → Relay Switching → Pump ON → Water Delivery → Moisture Increase → Automatic Pump OFF\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInsert the supplied soil-moisture probe into dry soil and the system responds to the detected condition. The control circuit operates the relay, the relay switches the water pump ON, and water moves from the clear reservoir through the transparent tube toward the target soil tank.\u003c\/p\u003e\n\u003cp\u003eAs the soil around the probe becomes moist, its electrical condition changes. The sensor responds to this change and the pump switches OFF automatically.\u003c\/p\u003e\n\u003cp\u003eStudents therefore see not just \u003cstrong\u003eautomatic watering\u003c\/strong\u003e, but the complete idea of a system that can \u003cstrong\u003esense a condition, take an action, monitor the changed condition and stop when watering is no longer required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eGrades 7–12\u003c\/strong\u003e, the model is suitable for \u003cstrong\u003eschool projects, science exhibitions, classroom demonstrations and supervised STEM learning\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch1\u003eOne Automatic System. One Complete Feedback Loop.\u003c\/h1\u003e\n\u003cp\u003eThe Smart Irrigation System brings four connected functions together on one demonstration platform.\u003c\/p\u003e\n\u003ch3\u003eSoil Moisture Detection\u003c\/h3\u003e\n\u003cp\u003eThe soil-moisture probe responds to changing moisture conditions in the soil.\u003c\/p\u003e\n\u003ch3\u003eSensor-Based Control\u003c\/h3\u003e\n\u003cp\u003eThe sensor-control board interprets the probe condition and compares it against its selected threshold.\u003c\/p\u003e\n\u003ch3\u003eRelay Switching\u003c\/h3\u003e\n\u003cp\u003eThe relay acts as an electrically controlled switch, turning the pump circuit ON or OFF according to the sensor response.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Water Delivery\u003c\/h3\u003e\n\u003cp\u003eThe mini water pump transfers water from the supplied clear reservoir through the transparent delivery tube toward the soil tank.\u003c\/p\u003e\n\u003cp\u003eOnce sufficient moisture is detected again, the system responds and stops watering.\u003c\/p\u003e\n\u003cp\u003eThis makes the model especially useful for explaining the basic automation sequence:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSense → Decide → Switch → Act → Sense Again → Stop\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eWhat’s in the Pre-Assembled Kit?\u003c\/h1\u003e\n\u003cp\u003eThe Smart Irrigation System includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Sheet with Green Grass Mat\u003c\/li\u003e\n\u003cli\u003e2 Wooden Mounting Blocks\u003c\/li\u003e\n\u003cli\u003eSoil Moisture Sensor Probe Assembly\u003c\/li\u003e\n\u003cli\u003eSensor Control \/ Driver Board\u003c\/li\u003e\n\u003cli\u003e5V 1-Channel Relay Module\u003c\/li\u003e\n\u003cli\u003eMini DC Submersible Water Pump\u003c\/li\u003e\n\u003cli\u003eClear Water Delivery Tube\u003c\/li\u003e\n\u003cli\u003e300 ml Clear Water Reservoir with Lid\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 Black Soil Tanks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e1N4007 Rectifier Diode\u003c\/li\u003e\n\u003cli\u003eJumper Wires\u003c\/li\u003e\n\u003cli\u003eBattery Mount\u003c\/li\u003e\n\u003cli\u003eBattery Snap Connector\u003c\/li\u003e\n\u003cli\u003ePre-Wired Wires \/ Base Setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003etwo supplied black tanks\u003c\/strong\u003e make it possible to prepare contrasting soil conditions during demonstrations, while the clear reservoir makes the water source and pump arrangement easy to observe.\u003c\/p\u003e\n\u003ch1\u003eRequired Separately\u003c\/h1\u003e\n\u003ch3\u003e9V Heavy-Duty \/ Good-Quality Alkaline Battery — Not Included\u003c\/h3\u003e\n\u003cp\u003eFor this project, we \u003cstrong\u003erecommend using a fresh, good-quality heavy-duty \/ alkaline 9V battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is especially important because the Smart Irrigation System contains an operating \u003cstrong\u003eDC water-pump motor\u003c\/strong\u003e in addition to the sensing and control electronics.\u003c\/p\u003e\n\u003cp\u003eA motor demands more from a battery than a simple sensor or LED demonstration. A regular low-capacity, weak or partly discharged 9V battery may therefore become exhausted comparatively quickly or may still power indicator electronics while not providing enough power for satisfactory pump operation.\u003c\/p\u003e\n\u003cp\u003eFor school-project and exhibition demonstrations, start with a \u003cstrong\u003efresh heavy-duty \/ good-quality alkaline 9V battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA weak battery may result in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe pump not starting,\u003c\/li\u003e\n\u003cli\u003ereduced water flow,\u003c\/li\u003e\n\u003cli\u003ethe pump humming without moving water properly,\u003c\/li\u003e\n\u003cli\u003einconsistent pump performance,\u003c\/li\u003e\n\u003cli\u003eor the battery exhausting quickly during repeated demonstrations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA good-quality branded alkaline battery such as \u003cstrong\u003ePanasonic, Duracell or equivalent\u003c\/strong\u003e is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9V battery is not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eSoil \/ Sand — Not Included\u003c\/h3\u003e\n\u003cp\u003eA small quantity of suitable soil, sand or comparable demonstration medium is required.\u003c\/p\u003e\n\u003cp\u003eFor comparison, one black tank can be prepared with relatively dry soil and the second with moist soil.\u003c\/p\u003e\n\u003ch3\u003eClean Water\u003c\/h3\u003e\n\u003cp\u003eClean water is required for filling the supplied reservoir during the watering demonstration.\u003c\/p\u003e\n\u003ch1\u003eProduct Specifications\u003c\/h1\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eSmart Irrigation System with Water Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eGo Science Classroom Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eEducational Concept Model Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDemonstration\u003c\/td\u003e\n\u003ctd\u003eAutomatic Plant Watering \/ Smart Irrigation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuggested Grades\u003c\/td\u003e\n\u003ctd\u003eGrades 7–12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Input\u003c\/td\u003e\n\u003ctd\u003eSoil Moisture Sensor Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Control\u003c\/td\u003e\n\u003ctd\u003eAdjustable Sensor Driver Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Board Operating Range\u003c\/td\u003e\n\u003ctd\u003e3.3V–5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Output\u003c\/td\u003e\n\u003ctd\u003eDigital Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching\u003c\/td\u003e\n\u003ctd\u003e5V 1-Channel Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Movement\u003c\/td\u003e\n\u003ctd\u003eMini DC Submersible Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Operating Range\u003c\/td\u003e\n\u003ctd\u003eApprox. 3V–6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReservoir\u003c\/td\u003e\n\u003ctd\u003eApprox. 300 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Tanks\u003c\/td\u003e\n\u003ctd\u003e2 Black Tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Component\u003c\/td\u003e\n\u003ctd\u003e1N4007 Rectifier Diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Base Length\u003c\/td\u003e\n\u003ctd\u003e16 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Base Width\u003c\/td\u003e\n\u003ctd\u003e11 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Height Without Reservoir\u003c\/td\u003e\n\u003ctd\u003e5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Height With Reservoir\u003c\/td\u003e\n\u003ctd\u003e12.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003e9V Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Battery\u003c\/td\u003e\n\u003ctd\u003eFresh Heavy-Duty \/ Good-Quality Alkaline 9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eSchool Project, Science Exhibition \u0026amp; Classroom Demonstration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003eA Complete Guided Learning Experience\u003c\/h1\u003e\n\u003cp\u003eThe Smart Irrigation System is designed to help students move beyond simply watching a pump operate.\u003c\/p\u003e\n\u003cp\u003eStudents can:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eidentify the sensor, relay, pump and water-delivery system,\u003c\/li\u003e\n\u003cli\u003eprepare dry and moist soil conditions,\u003c\/li\u003e\n\u003cli\u003einsert and test the moisture probe,\u003c\/li\u003e\n\u003cli\u003eobserve the sensor response,\u003c\/li\u003e\n\u003cli\u003ewatch the relay switch,\u003c\/li\u003e\n\u003cli\u003esee water physically travel through the transparent tube,\u003c\/li\u003e\n\u003cli\u003eobserve the soil condition change,\u003c\/li\u003e\n\u003cli\u003esee the pump stop automatically,\u003c\/li\u003e\n\u003cli\u003ecompare dry and wet states,\u003c\/li\u003e\n\u003cli\u003etroubleshoot common demonstration conditions,\u003c\/li\u003e\n\u003cli\u003eand explain the complete automation loop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is a more complete learning experience connecting \u003cstrong\u003escience, electronics, control systems, water movement and smart-farming concepts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch1\u003eDetailed Full-Colour Digital Manual Included\u003c\/h1\u003e\n\u003cp\u003eA dedicated \u003cstrong\u003e15-page full-colour illustrated Smart Irrigation System learning manual\u003c\/strong\u003e is available through the \u003cstrong\u003eManual QR Code supplied with the kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe manual is designed as an interactive discovery journey rather than only a setup sheet.\u003c\/p\u003e\n\u003cp\u003eStudents are guided through:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emeeting and identifying the kit components,\u003c\/li\u003e\n\u003cli\u003eunderstanding the irrigation system layout,\u003c\/li\u003e\n\u003cli\u003elearning the \u003cstrong\u003eInput → Control → Output\u003c\/strong\u003e automation sequence,\u003c\/li\u003e\n\u003cli\u003epreparing dry and moist soil samples,\u003c\/li\u003e\n\u003cli\u003esetting up the water reservoir,\u003c\/li\u003e\n\u003cli\u003econnecting power,\u003c\/li\u003e\n\u003cli\u003ecarrying out the dry-soil test,\u003c\/li\u003e\n\u003cli\u003eobserving automatic watering,\u003c\/li\u003e\n\u003cli\u003ecarrying out the wet-soil \/ automatic cut-off test,\u003c\/li\u003e\n\u003cli\u003eunderstanding the moisture probe, relay and protection component,\u003c\/li\u003e\n\u003cli\u003ecomparing dry-soil and wet-soil states,\u003c\/li\u003e\n\u003cli\u003econnecting the concept with real-world applications,\u003c\/li\u003e\n\u003cli\u003efollowing safety guidance,\u003c\/li\u003e\n\u003cli\u003etroubleshooting common observations,\u003c\/li\u003e\n\u003cli\u003ereviewing the practical concepts explored,\u003c\/li\u003e\n\u003cli\u003eand completing the guided learning journey.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 15-page guide also includes a \u003cstrong\u003eCompletion Certificate\u003c\/strong\u003e for the guided activities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManual access:\u003c\/strong\u003e Dedicated QR Code supplied with the kit.\u003c\/p\u003e\n\u003ch1\u003eStep-by-Step Video Demonstration Included\u003c\/h1\u003e\n\u003cp\u003eA product-specific demonstration video is also available to help students, parents and teachers see the Smart Irrigation System operating before carrying out their own demonstration.\u003c\/p\u003e\n\u003ch3\u003eOfficial Go Science Smart Irrigation Demonstration\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/youtu.be\/I9s6NgF_9gY\"\u003ehttps:\/\/youtu.be\/I9s6NgF_9gY\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWatch the video through:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThis Product Page \/ Go Science Website\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOfficial Go Science YouTube\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDedicated Video QR Code supplied with the kit\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eManual QR Code and Video QR Code are independent\u003c\/strong\u003e, allowing students to open the illustrated learning guide and the actual working demonstration separately whenever needed.\u003c\/p\u003e\n\u003cp\u003eInternet access is required for the online manual and video.\u003c\/p\u003e\n\u003ch1\u003ePre-Wired for Direct Exploration\u003c\/h1\u003e\n\u003cp\u003eThe important sensing, switching and pump-control foundation is prepared so students can spend more time \u003cstrong\u003eexploring the concept and demonstrating the system\u003c\/strong\u003e instead of beginning with individual circuit fabrication.\u003c\/p\u003e\n\u003cp\u003eStudents still take an active role by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epreparing the soil samples,\u003c\/li\u003e\n\u003cli\u003efilling the water reservoir,\u003c\/li\u003e\n\u003cli\u003epositioning the moisture probe,\u003c\/li\u003e\n\u003cli\u003econnecting the battery,\u003c\/li\u003e\n\u003cli\u003edirecting the water-delivery tube,\u003c\/li\u003e\n\u003cli\u003eobserving the sensor-control board,\u003c\/li\u003e\n\u003cli\u003ewatching the relay respond,\u003c\/li\u003e\n\u003cli\u003efollowing the water flow,\u003c\/li\u003e\n\u003cli\u003ecomparing dry and moist conditions,\u003c\/li\u003e\n\u003cli\u003eand explaining why the pump starts and stops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis creates a useful balance between a \u003cstrong\u003eprepared working foundation and genuine hands-on experimentation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eRecommended Battery for Reliable Pump Demonstration\u003c\/h1\u003e\n\u003cp\u003eBecause this model contains an operating \u003cstrong\u003eDC water-pump motor\u003c\/strong\u003e, battery condition directly influences demonstration performance.\u003c\/p\u003e\n\u003cp\u003eFor best results, begin each important classroom, exhibition or project demonstration with a \u003cstrong\u003efresh heavy-duty \/ good-quality alkaline 9V battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA weaker general-purpose battery may become exhausted quickly under the additional motor load.\u003c\/p\u003e\n\u003cp\u003eIt is even possible for the sensor or indicator LEDs to appear active while the battery no longer has sufficient usable output for satisfactory pump operation.\u003c\/p\u003e\n\u003cp\u003eIf the pump:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003edoes not begin operating,\u003c\/li\u003e\n\u003cli\u003esounds weak,\u003c\/li\u003e\n\u003cli\u003ehums without pumping,\u003c\/li\u003e\n\u003cli\u003eor produces poor water flow,\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003efirst confirm that the pump inlet is correctly submerged and the tube is unobstructed, then repeat the test with a \u003cstrong\u003efresh recommended 9V battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch1\u003eWatch the Complete System Respond\u003c\/h1\u003e\n\u003ch2\u003eStep 1 — Prepare the Model\u003c\/h2\u003e\n\u003cp\u003ePlace the Smart Irrigation System on a flat, stable and dry surface.\u003c\/p\u003e\n\u003cp\u003ePrepare the supplied black soil tanks with suitable demonstration soil.\u003c\/p\u003e\n\u003ch2\u003eStep 2 — Prepare Two Soil Conditions\u003c\/h2\u003e\n\u003cp\u003eUse the two black tanks to create a simple comparison.\u003c\/p\u003e\n\u003cp\u003eOne tank can contain \u003cstrong\u003erelatively dry soil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe second can contain \u003cstrong\u003emoist soil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis gives students two clearly different conditions to test.\u003c\/p\u003e\n\u003ch2\u003eStep 3 — Fill the Water Reservoir\u003c\/h2\u003e\n\u003cp\u003eAdd clean water to the clear reservoir.\u003c\/p\u003e\n\u003cp\u003eEnsure the pump is correctly positioned inside the reservoir and the delivery tube is properly connected.\u003c\/p\u003e\n\u003ch2\u003eStep 4 — Connect Power\u003c\/h2\u003e\n\u003cp\u003eConnect a fresh recommended \u003cstrong\u003e9V battery\u003c\/strong\u003e to the battery snap.\u003c\/p\u003e\n\u003cp\u003eThe model is now ready for the sensor demonstration.\u003c\/p\u003e\n\u003ch2\u003eStep 5 — Insert the Probe into Dry Soil\u003c\/h2\u003e\n\u003cp\u003ePlace the soil-moisture probe firmly into the dry-soil sample.\u003c\/p\u003e\n\u003cp\u003eThe sensor responds to the comparatively dry condition.\u003c\/p\u003e\n\u003ch2\u003eStep 6 — Control Signal Is Generated\u003c\/h2\u003e\n\u003cp\u003eThe sensor-control board interprets the probe response against its threshold.\u003c\/p\u003e\n\u003cp\u003eThe control signal is sent toward the relay module.\u003c\/p\u003e\n\u003ch2\u003eStep 7 — Relay Switches the Pump ON\u003c\/h2\u003e\n\u003cp\u003eThe relay acts as the system’s electrically controlled switch.\u003c\/p\u003e\n\u003cp\u003eWhen the dry-soil condition calls for watering, the relay completes the pump circuit.\u003c\/p\u003e\n\u003cp\u003eThe pump begins operating.\u003c\/p\u003e\n\u003ch2\u003eStep 8 — Watch Water Travel\u003c\/h2\u003e\n\u003cp\u003eWater is drawn from the clear reservoir and moves visibly through the transparent tube.\u003c\/p\u003e\n\u003cp\u003eStudents can directly observe the path from:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReservoir → Pump → Tube → Soil\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eStep 9 — Moisture Around the Probe Increases\u003c\/h2\u003e\n\u003cp\u003eAs water reaches the soil, the moisture condition around the probe changes.\u003c\/p\u003e\n\u003cp\u003eThe sensor detects this new condition.\u003c\/p\u003e\n\u003ch2\u003eStep 10 — Pump Stops Automatically\u003c\/h2\u003e\n\u003cp\u003eOnce the selected moisture condition is reached, the relay switches back and the pump stops.\u003c\/p\u003e\n\u003cp\u003eThe entire demonstration becomes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDry Soil → Detect → Relay ON → Pump ON → Water Flows → Soil Moistens → Detect Again → Relay OFF → Pump OFF\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eSoil Moisture Detection\u003c\/h1\u003e\n\u003cp\u003eThe soil-moisture probe acts as the system’s environmental input.\u003c\/p\u003e\n\u003cp\u003eIt responds to differences in the electrical behaviour of the soil around its two probe tracks.\u003c\/p\u003e\n\u003ch3\u003eIn Relatively Dry Soil\u003c\/h3\u003e\n\u003cp\u003eThe soil presents comparatively:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigher resistance → Lower conductivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor-control system interprets this condition as the demonstration state requiring watering.\u003c\/p\u003e\n\u003ch3\u003eAs Soil Becomes Moist\u003c\/h3\u003e\n\u003cp\u003eWater changes the electrical condition around the probe.\u003c\/p\u003e\n\u003cp\u003eThe soil becomes comparatively:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLower resistance → Higher conductivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor-control system detects this change and responds accordingly.\u003c\/p\u003e\n\u003cp\u003eThis gives students a practical way to understand how an environmental condition can be converted into a usable electrical input.\u003c\/p\u003e\n\u003ch1\u003eSensor Control \u0026amp; Threshold\u003c\/h1\u003e\n\u003cp\u003eThe moisture probe does not directly operate the water pump.\u003c\/p\u003e\n\u003cp\u003eInstead, the sensor-control board sits between the probe and the switching system.\u003c\/p\u003e\n\u003cp\u003eIts job is to interpret the probe condition and compare it against a selected threshold.\u003c\/p\u003e\n\u003cp\u003eThis helps students understand a fundamental automation idea:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetecting something is different from deciding what to do about it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe complete sequence becomes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Input → Comparison \/ Decision → Control Signal\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor board also includes a small sensitivity adjustment that can be carefully used under adult or teacher supervision when required during troubleshooting.\u003c\/p\u003e\n\u003ch1\u003eRelay Switching \u0026amp; Pump Control\u003c\/h1\u003e\n\u003cp\u003eThe relay provides the electrical switching stage between the sensor-control system and the pump.\u003c\/p\u003e\n\u003cp\u003eThe sensor determines \u003cstrong\u003ewhen action is required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe relay performs the switching that allows the pump to operate.\u003c\/p\u003e\n\u003ch3\u003eWhen Dry Soil Is Detected\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Response → Relay Switches → Pump Circuit ON → Watering Begins\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhen Moisture Is Detected\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Response Changes → Relay Switches Back → Pump Circuit OFF → Watering Stops\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis helps students distinguish three important parts of an automatic system:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput → Control → Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eWater Pump \u0026amp; Visible Water Delivery\u003c\/h1\u003e\n\u003cp\u003eThe mini pump is the physical output of the system.\u003c\/p\u003e\n\u003cp\u003eIt sits inside the clear reservoir and, when activated, moves water through the transparent tube.\u003c\/p\u003e\n\u003cp\u003eThe transparent reservoir and tube are particularly useful during a school demonstration because students can actually \u003cstrong\u003esee the action produced by the electronic control system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThey can follow:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater Source → Pump → Tube → Target Soil\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes the model easier to explain during science exhibitions and classroom demonstrations.\u003c\/p\u003e\n\u003ch1\u003eWhy Automatic Cut-Off Matters\u003c\/h1\u003e\n\u003cp\u003eAutomatic irrigation is not simply about making a pump turn ON.\u003c\/p\u003e\n\u003cp\u003eThe more important learning idea is that the system responds again \u003cstrong\u003eafter its own action has changed the environment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sequence is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDry Soil Detected\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eWatering Begins\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eSoil Moisture Changes\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eSensor Detects New Condition\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eWatering Stops\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis creates the basic educational concept of a \u003cstrong\u003efeedback loop\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe system:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSenses → Acts → Checks Again → Stops\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThat is what makes this project more than a simple motor-and-water demonstration.\u003c\/p\u003e\n\u003ch1\u003eUnderstand the Complete Functional System\u003c\/h1\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eStage\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eComponent\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eWhat It Demonstrates\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSoil\u003c\/td\u003e\n\u003ctd\u003eEnvironmental condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eMoisture Probe\u003c\/td\u003e\n\u003ctd\u003eDetects changing soil condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eSensor Control Board\u003c\/td\u003e\n\u003ctd\u003eCompares the input against a threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eControl Signal\u003c\/td\u003e\n\u003ctd\u003eCommunicates the required state\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eRelay Module\u003c\/td\u003e\n\u003ctd\u003eSwitches the pump circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eMini Water Pump\u003c\/td\u003e\n\u003ctd\u003eMoves water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eClear Reservoir\u003c\/td\u003e\n\u003ctd\u003eSupplies demonstration water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eTransparent Tube\u003c\/td\u003e\n\u003ctd\u003eShows the visible delivery path\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eSoil Tank\u003c\/td\u003e\n\u003ctd\u003eReceives irrigation water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eMoisture Probe\u003c\/td\u003e\n\u003ctd\u003eDetects the changed soil condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eRelay \u0026amp; Pump\u003c\/td\u003e\n\u003ctd\u003eWatering stops automatically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003eSmart Irrigation in the Real World\u003c\/h1\u003e\n\u003cp\u003eThe educational model simplifies an idea used in larger automated systems:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUse information about a changing condition to decide when an action should happen.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor irrigation, this can mean supplying water according to the condition being monitored rather than simply running a pump continuously.\u003c\/p\u003e\n\u003cp\u003eReal agricultural irrigation systems can use much more sophisticated:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esensors,\u003c\/li\u003e\n\u003cli\u003econtrollers,\u003c\/li\u003e\n\u003cli\u003evalves,\u003c\/li\u003e\n\u003cli\u003epumps,\u003c\/li\u003e\n\u003cli\u003eflow meters,\u003c\/li\u003e\n\u003cli\u003eweather information,\u003c\/li\u003e\n\u003cli\u003epower systems,\u003c\/li\u003e\n\u003cli\u003ecommunication networks,\u003c\/li\u003e\n\u003cli\u003eand monitoring infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Go Science model does not attempt to reproduce an industrial agricultural installation.\u003c\/p\u003e\n\u003cp\u003eInstead, it isolates the key educational idea:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil Condition → Sensor → Control → Pump → Water → Feedback\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eso students can observe and explain it clearly.\u003c\/p\u003e\n\u003ch1\u003eTest. Observe. Discover.\u003c\/h1\u003e\n\u003cp\u003eStudents can use the same model to carry out several supervised observations.\u003c\/p\u003e\n\u003ch3\u003eDry Soil vs Moist Soil\u003c\/h3\u003e\n\u003cp\u003eMove the probe between different prepared soil conditions and compare the system response.\u003c\/p\u003e\n\u003ch3\u003eRelay Response\u003c\/h3\u003e\n\u003cp\u003eObserve the relay indicator and switching behaviour when the detected condition changes.\u003c\/p\u003e\n\u003ch3\u003ePump Response\u003c\/h3\u003e\n\u003cp\u003eWatch when the pump begins and stops.\u003c\/p\u003e\n\u003ch3\u003eWater Flow\u003c\/h3\u003e\n\u003cp\u003eFollow water from the reservoir through the transparent tube.\u003c\/p\u003e\n\u003ch3\u003eProbe Position\u003c\/h3\u003e\n\u003cp\u003eObserve why suitable contact between the probe and soil matters.\u003c\/p\u003e\n\u003ch3\u003eSensor Sensitivity\u003c\/h3\u003e\n\u003cp\u003eWith adult or teacher supervision, explore how the selected sensor threshold affects switching.\u003c\/p\u003e\n\u003ch3\u003eBattery Condition\u003c\/h3\u003e\n\u003cp\u003eCompare how a fresh recommended battery influences pump performance.\u003c\/p\u003e\n\u003ch1\u003eLearn Through Every Demonstration\u003c\/h1\u003e\n\u003ch3\u003eSoil Moisture\u003c\/h3\u003e\n\u003cp\u003eUnderstand how changing moisture affects the electrical behaviour detected by the probe.\u003c\/p\u003e\n\u003ch3\u003eSensors\u003c\/h3\u003e\n\u003cp\u003eLearn how a physical condition can become an electrical input.\u003c\/p\u003e\n\u003ch3\u003eControl Systems\u003c\/h3\u003e\n\u003cp\u003eSee how a sensor-control board interprets an input.\u003c\/p\u003e\n\u003ch3\u003eRelay Switching\u003c\/h3\u003e\n\u003cp\u003eUnderstand how an electrical signal can operate another circuit.\u003c\/p\u003e\n\u003ch3\u003eDC Pump Operation\u003c\/h3\u003e\n\u003cp\u003eObserve electrical energy producing mechanical water movement.\u003c\/p\u003e\n\u003ch3\u003eAutomation\u003c\/h3\u003e\n\u003cp\u003eSee a system perform an action without manually switching the pump each time.\u003c\/p\u003e\n\u003ch3\u003eFeedback\u003c\/h3\u003e\n\u003cp\u003eUnderstand how the system reacts after watering changes the sensed condition.\u003c\/p\u003e\n\u003ch3\u003eSmart Farming\u003c\/h3\u003e\n\u003cp\u003eConnect sensor-based automation with broader agricultural-technology concepts.\u003c\/p\u003e\n\u003ch1\u003eExplore Key Concepts\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSoil Moisture Sensing\u003c\/li\u003e\n\u003cli\u003eElectrical Resistance\u003c\/li\u003e\n\u003cli\u003eElectrical Conductivity\u003c\/li\u003e\n\u003cli\u003eSensor Response\u003c\/li\u003e\n\u003cli\u003eThreshold Detection\u003c\/li\u003e\n\u003cli\u003eBasic Control Circuits\u003c\/li\u003e\n\u003cli\u003eDigital Control\u003c\/li\u003e\n\u003cli\u003eRelay Switching\u003c\/li\u003e\n\u003cli\u003eDC Water Pump Operation\u003c\/li\u003e\n\u003cli\u003eWater Delivery\u003c\/li\u003e\n\u003cli\u003eAutomatic Watering\u003c\/li\u003e\n\u003cli\u003eSmart Irrigation\u003c\/li\u003e\n\u003cli\u003eFeedback\u003c\/li\u003e\n\u003cli\u003eClosed-Loop Automation\u003c\/li\u003e\n\u003cli\u003eWater Conservation\u003c\/li\u003e\n\u003cli\u003eSmart Farming\u003c\/li\u003e\n\u003cli\u003eObservation \u0026amp; Demonstration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOne Model. Multiple Learning Outcomes.\u003c\/h1\u003e\n\u003ch3\u003eUnderstand Sensors\u003c\/h3\u003e\n\u003cp\u003eSee how information about the environment can be detected electronically.\u003c\/p\u003e\n\u003ch3\u003eUnderstand Cause \u0026amp; Effect\u003c\/h3\u003e\n\u003cp\u003eObserve why changing soil conditions produce different system responses.\u003c\/p\u003e\n\u003ch3\u003eUnderstand Automation\u003c\/h3\u003e\n\u003cp\u003eSee a complete action occur without repeatedly using a manual switch.\u003c\/p\u003e\n\u003ch3\u003eUnderstand Feedback\u003c\/h3\u003e\n\u003cp\u003eObserve why the system checks the condition again after watering begins.\u003c\/p\u003e\n\u003ch3\u003eUnderstand Switching\u003c\/h3\u003e\n\u003cp\u003eSee why a relay is used to control the pump.\u003c\/p\u003e\n\u003ch3\u003eUnderstand Water Management\u003c\/h3\u003e\n\u003cp\u003eDiscuss how watering according to detected need differs conceptually from continuous uncontrolled watering.\u003c\/p\u003e\n\u003ch3\u003eDevelop Problem-Solving Skills\u003c\/h3\u003e\n\u003cp\u003eUse observation to identify sensor, battery, pump, tubing and water-flow issues.\u003c\/p\u003e\n\u003ch1\u003eBuilt for Confident Demonstration\u003c\/h1\u003e\n\u003cp\u003eThe major parts of the Smart Irrigation System remain visible so students can point directly to the component they are explaining.\u003c\/p\u003e\n\u003cp\u003eStudents can identify:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil → Moisture Probe → Sensor Board → Relay → Pump → Reservoir → Tube → Soil\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eschool-project presentations,\u003c\/li\u003e\n\u003cli\u003escience exhibitions,\u003c\/li\u003e\n\u003cli\u003eclassroom demonstrations,\u003c\/li\u003e\n\u003cli\u003eSTEM activities,\u003c\/li\u003e\n\u003cli\u003eand project viva explanations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstead of memorising a generic explanation, students can demonstrate \u003cstrong\u003eexactly what senses, what controls, what switches, what pumps and what causes watering to stop\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch1\u003eSuggested Student Explanation\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e“This is a Smart Irrigation System with Water Pump. The soil-moisture sensor checks the condition of the soil. When dry soil is detected, the sensor-control circuit sends a signal to the relay. The relay switches the pump ON and the pump sends water from the reservoir through the tube to the soil. As the soil becomes moist, its electrical condition changes. The sensor detects this change and the relay switches the pump OFF automatically. This demonstrates the basic concept of sensor-based automatic irrigation and feedback control.”\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eBuild Upon This Foundation\u003c\/h1\u003e\n\u003cp\u003eOnce students understand the working model, they can begin asking broader questions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhy are sensors useful in automation?\u003c\/li\u003e\n\u003cli\u003eWhat is a sensor threshold?\u003c\/li\u003e\n\u003cli\u003eWhy is a relay required?\u003c\/li\u003e\n\u003cli\u003eWhy does moisture affect conductivity?\u003c\/li\u003e\n\u003cli\u003eWhy should irrigation stop automatically?\u003c\/li\u003e\n\u003cli\u003eWhat is feedback?\u003c\/li\u003e\n\u003cli\u003eHow could several soil sensors be used?\u003c\/li\u003e\n\u003cli\u003eWhat other conditions could agricultural systems monitor?\u003c\/li\u003e\n\u003cli\u003eHow could larger irrigation systems control several areas?\u003c\/li\u003e\n\u003cli\u003eHow does battery condition affect a motor?\u003c\/li\u003e\n\u003cli\u003eWhat additional data could advanced irrigation systems use?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese questions allow one model to become a starting point for wider STEM exploration.\u003c\/p\u003e\n\u003ch1\u003eThis Concept Can Also Be Used to Explore\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eEnvironmental Sensing\u003c\/li\u003e\n\u003cli\u003eElectrical Conductivity\u003c\/li\u003e\n\u003cli\u003eSensor Calibration\u003c\/li\u003e\n\u003cli\u003eAutomated Switching\u003c\/li\u003e\n\u003cli\u003eRelay-Controlled Loads\u003c\/li\u003e\n\u003cli\u003eDC Motors\u003c\/li\u003e\n\u003cli\u003eWater Pumps\u003c\/li\u003e\n\u003cli\u003eFeedback Systems\u003c\/li\u003e\n\u003cli\u003eControl Systems\u003c\/li\u003e\n\u003cli\u003eSmart Agriculture\u003c\/li\u003e\n\u003cli\u003eWater Management\u003c\/li\u003e\n\u003cli\u003eAgricultural Automation\u003c\/li\u003e\n\u003cli\u003eResource Monitoring\u003c\/li\u003e\n\u003cli\u003eSustainable Technology Concepts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eConcept \u0026amp; Sustainability Connections\u003c\/h1\u003e\n\u003cp\u003eThe Smart Irrigation System can be used to explore themes related to:\u003c\/p\u003e\n\u003ch3\u003eSDG 2 — Zero Hunger\u003c\/h3\u003e\n\u003cp\u003eStudents can discuss how irrigation and agricultural technologies relate broadly to crop production and farming systems.\u003c\/p\u003e\n\u003ch3\u003eSDG 6 — Clean Water \u0026amp; Sanitation\u003c\/h3\u003e\n\u003cp\u003eThe model can support discussion around careful and controlled use of water resources.\u003c\/p\u003e\n\u003ch3\u003eSDG 12 — Responsible Consumption \u0026amp; Production\u003c\/h3\u003e\n\u003cp\u003eStudents can explore the concept of using resources according to detected need rather than operating continuously without feedback.\u003c\/p\u003e\n\u003cp\u003eThese references are provided for \u003cstrong\u003eillustrative, educational and concept-learning purposes only\u003c\/strong\u003e and do not imply endorsement, affiliation, approval or certification by the United Nations or any institution.\u003c\/p\u003e\n\u003cp\u003eThe model can also support learning approaches associated with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExperiential Learning\u003c\/li\u003e\n\u003cli\u003eInquiry-Based Learning\u003c\/li\u003e\n\u003cli\u003eProject-Based Learning\u003c\/li\u003e\n\u003cli\u003eSTEM Education\u003c\/li\u003e\n\u003cli\u003eConceptual Understanding\u003c\/li\u003e\n\u003cli\u003eInnovation \u0026amp; Problem Solving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReferences to NEP 2020, NCERT\/CBSE and concept mapping are for illustrative reference and educational-use purposes only. They indicate broad learning relevance and \u003cstrong\u003edo not imply endorsement, affiliation, approval, certification or official alignment by any institution or authority\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eConcept mapping and learning relevance may vary depending on demonstration setup, supervision, curriculum and classroom use.\u003c\/p\u003e\n\u003ch1\u003eA Complete Learning Journey\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eScan the Manual QR\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eExplore the 15-Page Illustrated Guide\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eWatch the Demonstration Video\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eMeet the Components\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003ePrepare Dry \u0026amp; Moist Soil\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eFill the Reservoir\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eConnect a Fresh Heavy-Duty \/ Alkaline 9V Battery\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eTest Dry Soil\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eObserve the Sensor Response\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eWatch the Relay Switch\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eSee the Pump Deliver Water\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eObserve the Soil Become Moist\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eWatch Automatic Cut-Off\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eCompare Dry \u0026amp; Wet States\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eTroubleshoot \u0026amp; Reset\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eExplain the Complete System\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eComplete the Guided Learning Journey\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e15-page illustrated manual also includes a Completion Certificate\u003c\/strong\u003e, giving students a clear end point after completing the guided activities.\u003c\/p\u003e\n\u003ch1\u003eImportant Educational \u0026amp; Usage Information\u003c\/h1\u003e\n\u003cp\u003eThis product is an \u003cstrong\u003eeducational demonstration model and science teaching aid\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAdult or teacher supervision is recommended.\u003c\/p\u003e\n\u003cp\u003ePlace the model on a flat, stable and dry surface.\u003c\/p\u003e\n\u003cp\u003eUse clean water only.\u003c\/p\u003e\n\u003cp\u003eKeep water confined to the intended reservoir, tube and soil-tank demonstration areas.\u003c\/p\u003e\n\u003cp\u003eKeep water away from exposed electronic connections, relay contacts, wooden mounting areas and the battery connection.\u003c\/p\u003e\n\u003cp\u003eEnsure the pump inlet is properly submerged before operating it.\u003c\/p\u003e\n\u003cp\u003eDo not operate the small water pump continuously for extended periods; keep demonstrations brief and allow the motor to rest between repeated tests.\u003c\/p\u003e\n\u003cp\u003eDisconnect the battery immediately after completing the demonstration.\u003c\/p\u003e\n\u003cp\u003eWipe the moisture-probe prongs clean and dry after use.\u003c\/p\u003e\n\u003cp\u003eEmpty the reservoir after demonstration.\u003c\/p\u003e\n\u003cp\u003eDrain the transparent delivery tube completely.\u003c\/p\u003e\n\u003cp\u003eDry any accidental water spill before storing the project.\u003c\/p\u003e\n\u003cp\u003eRemove the battery before long-term storage.\u003c\/p\u003e\n\u003cp\u003eStore the model in a clean, dry location away from direct sunlight.\u003c\/p\u003e\n\u003cp\u003eInternet access is required for the online manual and demonstration video.\u003c\/p\u003e\n\u003ch1\u003eTroubleshooting Guide\u003c\/h1\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eObservation\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePossible Cause\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eWhat to Check \/ Do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump does not turn ON in dry soil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWeak\/depleted battery or loose connection\u003c\/td\u003e\n\u003ctd\u003eReplace with a fresh \u003cstrong\u003eheavy-duty \/ alkaline 9V battery\u003c\/strong\u003e and check the sensor\/relay connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump remains ON in wet soil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensor sensitivity threshold may require adjustment\u003c\/td\u003e\n\u003ctd\u003eWith adult\/teacher supervision, carefully adjust the small sensor-board sensitivity control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump hums but does not move water\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePump inlet may not be submerged, air may be trapped, or battery may be weak\u003c\/td\u003e\n\u003ctd\u003eEnsure the pump inlet is fully submerged and repeat the test with a fresh recommended battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater flow is weak\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery weakening, tube positioning or pump position\u003c\/td\u003e\n\u003ctd\u003eCheck tube routing, pump position and battery condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicator does not illuminate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery disconnected or poor battery-snap contact\u003c\/td\u003e\n\u003ctd\u003eCheck battery connection and snap terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor response appears inconsistent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePoor soil contact or unsuitable threshold\u003c\/td\u003e\n\u003ctd\u003eReposition the probe firmly in the soil and retest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\u003c\/h1\u003e\n\u003ch1\u003eProduct Appearance \u0026amp; Assembly Note\u003c\/h1\u003e\n\u003cp\u003eThis educational working model is assembled in small batches using functional electronic, electrical, water-flow and school-project components.\u003c\/p\u003e\n\u003cp\u003eVariations may occur in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ereservoir or lid appearance,\u003c\/li\u003e\n\u003cli\u003eblack soil-tank finish,\u003c\/li\u003e\n\u003cli\u003egrass-mat finish,\u003c\/li\u003e\n\u003cli\u003ewooden mounting blocks,\u003c\/li\u003e\n\u003cli\u003ewire colours or routing,\u003c\/li\u003e\n\u003cli\u003esensor-board appearance,\u003c\/li\u003e\n\u003cli\u003erelay-module appearance,\u003c\/li\u003e\n\u003cli\u003epump appearance,\u003c\/li\u003e\n\u003cli\u003etransparent tubing,\u003c\/li\u003e\n\u003cli\u003econnectors,\u003c\/li\u003e\n\u003cli\u003ecomponent printing or brand,\u003c\/li\u003e\n\u003cli\u003eand final assembly positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003edepending on manufacturing and component availability.\u003c\/p\u003e\n\u003cp\u003eThese variations do not alter the intended educational concept or demonstration purpose of the model.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eplant shown in creative packaging visualization represents the irrigation concept and is not supplied with the kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImages\/creative illustration are for reference. Actual product may vary due to manufacturing, component availability \u0026amp; assembly update.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003eImportant Product Limitation\u003c\/h1\u003e\n\u003cp\u003eThis product demonstrates the basic principles of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003esoil-moisture detection,\u003c\/li\u003e\n\u003cli\u003eautomatic switching,\u003c\/li\u003e\n\u003cli\u003ewater-pump control,\u003c\/li\u003e\n\u003cli\u003ewater delivery,\u003c\/li\u003e\n\u003cli\u003eand smart-irrigation feedback\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003efor educational observation.\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003enot\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ean agricultural appliance,\u003c\/li\u003e\n\u003cli\u003ea commercial field-irrigation controller,\u003c\/li\u003e\n\u003cli\u003ean unattended watering system,\u003c\/li\u003e\n\u003cli\u003ea crop-management system,\u003c\/li\u003e\n\u003cli\u003ea certified soil-moisture measurement instrument,\u003c\/li\u003e\n\u003cli\u003ea water-flow measuring device,\u003c\/li\u003e\n\u003cli\u003eor an outdoor commercial irrigation installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal agricultural irrigation systems may use considerably more advanced sensors, controllers, pumps, valves, weather information, flow measurement, communication systems, power supplies and infrastructure.\u003c\/p\u003e\n\u003cp\u003eThe model is intended to make the \u003cstrong\u003ecore educational principle visible and understandable at school-project scale\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eReturn, Refund \u0026amp; Exchange Notice\u003c\/h1\u003e\n\u003cp class=\"\"\u003eThis educational working model contains tested and sensitive \u003cstrong\u003eelectronic, sensor, relay and motor\/pump components together with a water-flow demonstration system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eKits that have been \u003cstrong\u003eopened, powered, activated, tested, used, altered, exposed to moisture outside the intended demonstration areas, incorrectly connected or subjected to unsuitable operating conditions are not eligible for return, refund or exchange at any point.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe required \u003cstrong\u003e9V battery, soil\/sand and demonstration plant are not included\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"\"\u003ePlease review the product description, included contents, dimensions, power requirement, product photographs, \u003cstrong\u003e15-page illustrated QR manual\u003c\/strong\u003e, demonstration video and operating instructions carefully before purchase.\u003c\/p\u003e","brand":"Go Science","offers":[{"title":"Default Title","offer_id":45828402675759,"sku":"2671814292810","price":799.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4442\/3471\/files\/Smart_Irrigation_System_with_Water_Pump_School_Project_go_science_classroom_series_product_main_image.jpg?v=1786805699","url":"https:\/\/goscience.in\/products\/smart-irrigation-system-with-water-pump-school-project","provider":"Go Science","version":"1.0","type":"link"}