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Guidebook - Level 9

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TeacherGuide-STEMUNOLevel9

Copyright©2026

Author:ErinGoodwin

Editors:LindseyOwnandNatashaKarampela

ISBN:978-981-17737-3-0

Publishedby:

SKOOL21PTE.LTD.

71RobinsonRoad,#14-01,068895,Singapore

FirstEditionpublishedbySKOOL21PTELTD-Singapore,2024

SecondEditionpublishedbySKOOL21LLC-UnitedStates,2026

No part of this book may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the publisher, except in the case of brief quotations embodied in critical reviews and certain other non-commercial uses permittedbycopyrightlaw.

Forpermissionsorinquiries,pleasecontact:

Email:info@skool21org

Website:https://skool21.org

Address:600CaliforniaSt,#13-021,SanFrancisco,CA94108,UnitedStates

Preface

WelcometotheFutureofTeachingandLearning!

Thankyouforjoiningusonthisexcitingjourney!TheSKOOL21STEMInnovatorsseriesis designednotonlytoignitecuriosityinstudentsbutalsotoempowerteacherstolead meaningful, hands-on STEM learning experiences. Through this series, you will guide young innovators as they explore, design, and solve real-world challenges using science,technology,engineering,andmathematics(STEM).

BuildingonaStrongFoundation

EachleveloftheSKOOL21STEMseriesbuildsuponthepreviousone,creatingastrong continuum of learning — from simple machines to advanced 3D modeling. Students travel through key technological eras, from the Industrial Revolution to the innovations shaping our future. No matter their starting point, every learner will discovernewskillsanddeeperunderstandingalongtheway.

LearningbyDoing

At SKOOL21, we believe students learn best by doing. Each book comes with a comprehensive STEM kit, enabling students to build, test, and explore concepts through hands-on challenges. As a teacher, you will facilitate engaging projects where students actively create, problem-solve, and apply critical thinking skills — all whilehavingfun.

MakingaReal-WorldImpact

Every project is designed to connect learning to real-world issues, inspired by the SustainableDevelopmentGoals(SDGs).Throughthesechallenges,studentsseehow their ideas can contribute to solving problems like clean water access, renewable energy, and environmental conservation empowering them to envision a better world.

TeachingLikeaPro

The SKOOL21 STEM program aligns with international standards and best practices, ensuring that both teachers and students are developing the collaboration, innovation, and design thinking skills valued in today’s world. You’re not just supporting schoolwork — you’re preparing the next generation of thinkers, leaders, andchangemakers.

IntroductiontotheKit

TheSKOOL21STEMUNOLearningKitisahands-onelectronicsandcodingkit designedforstudentsinLevel9.UsedalongsidetheSTEMInnovators Handbook,thiskitintroducesstudentstoprogramming,electronics,and automationthroughreal-worldprojects.

AttheheartofthekitistheATmega328Pmicrocontroller,programmedusing theC++languagethroughtheArduinoplatform.Learnersexplorehow hardwareandsoftwareworktogetherbybuildingprojectslikemotorcontrol systems,sensor-basedinputs,andmore.

TechnicalFeatures

LessonStructure

Each lesson in the handbook follows a structured format to ensure clarity and effective implementation. A sample solution is also found at the end of each lesson.Thestructureincludes:

TheEngineeringDesignProcess

The Engineering Design Process (EDP) is a systematic approach used by engineers and designers to solve problems and create innovative solutions. It provides a structured framework for developing new products, processes, or systems by following a series of well-defined steps. This process is not only applicable in engineering, but is also widely used in various STEM disciplines to tacklechallengesanddevelopcreativesolutions.

For students in first grade and above, the typical Engineering Design Process follows multiple iterative steps, including identifying a problem, researching, brainstorming,designing,prototyping,testing,andrefiningsolutions.

This structured approach encourages creativity, critical thinking, and iteration, formingastrongfoundationforfutureSTEMlearning.

FosteringSocialSkills

STEM activities naturally build key social skills. Teachers can help students practice and strengthen these skills by guiding them during group work, discussions,andprojectchallenges

Keysocialskillsdevelopedinclude:

Collaboration

Encouragestudentstoshareideas andassignrolesduringgroup worktobuildteamworkand respectfordifferentperspectives

CriticalThinking

Promptstudentstoask"why"and "whatif"questionswhensolving problemsordesigningsolutions

EmpathyandRespect

Remindstudentstovalue everyone 'sideasandsupport peersbyusingkind,respectful language.

ConflictResolution

Coachstudentstotalkthrough disagreementscalmlyandfind solutionsthateveryonecan accept

Reflection

Buildreflectionintotheprocessby askingstudentswhatworkedwell, whatwaschallenging,andwhat theywoulddodifferentlynexttime

Communication

Modelclearcommunicationand askstudentstoexplaintheir thinkingandlistencarefullyto teammates

Problem-Solving

Challengestudentstotrydifferent strategieswhentheyface obstaclesandpraisepersistence.

TimeManagement

Helpteamssetmini-deadlines andguidethemtobreakprojects intosmaller,manageabletasks

PresentationSkills

Givestudentsregularchancesto presenttheirworktopeers,using clearspeakingandsupportive feedback

Teamworking

Celebratestrongteamworkby recognizingwhenstudentsshare leadership,encourageeachother, andsolveproblemstogether

Teaching STEM also teaches students how to think, work, and lead. By actively supporting social skills during projects, teachers prepare students not just for academicsuccess,butforfuturecareersandlifechallenges.

MakerspaceSetup

Amakerspaceisacreative,hands-onareawherestudentsexploreSTEM conceptsthroughbuilding,experimenting,andsolvingproblemstogether.This guideisdesignedforteacherswhoarenewtoSTEMandlookingforclearstepsto setupandmanageamakerspace.

MaterialsManagement:

STEMClassroomManagement

STEMclassesarehands-on,highlyengaging,andoftennoisy—that’sagood thing!Butwithoutclearroutinesandstructures,theycanquicklybecome chaotic.Awell-managedmakerspaceallowsstudentstoexploreandinnovate safely,responsibly,andcollaboratively.

STEMClassSessionRoutine

Setaclearandconsistentstructuretoeachsessionsostudentsknowwhatto expectandstayfocused:

ToolandMaterialsRules:

GroupManagementwithTeamRoles

Groupworkcanbemessywithoutstructure.SKOOL21encouragesstudent collaboration,sorotatingroleshelpsbalanceresponsibilityandensure activeparticipation:

Leader

Material Manager

Reporter

Testing Supervisor

Collectskits/materialsfromtheteacher,ensuressupplies arereturnedpost-build.

Sharesoutcomes,challenges,andsolutionswiththeclass

Evaluatesthemodel,givesfeedback,suggestschanges.

ImplementationGuide

TheSKOOL21STEMInnovatorsHandbookoffersproject-basedSTEMlessonsfor Pre-KthroughGrade12 Teacherscanusethreemainmodelstoimplementthese projects:

Stand-AloneClassApproach

Extra-CurricularApproach

HybridApproach (BlendingAllModels)

Usecurriculum-linkedprojectsduringcoreclasses.Forexample,inaGrade4mathclassyou mightuseaSKOOL21projectongearstoteachratios,orinscienceclassstudentsmight buildamodelecosystem Smallerorsingle-sessionactivitiesfitwellhere

Whentodostand-alone:

Reservelonger,open-endedprojectsforSTEMclassorthemakerspace.Complex engineeringchallenges(robotdesign,3Dmodeling,advancedcoding)needlongerblocks, sothesesuita90-minSTEMperiodorseriesoflabsessions.

Offerstudentsaspaceforexplorationthatdoesn’tfitthecurriculumortimeline.These projectscanbedrivenbystudentinterestandcanspanseveralweekswithoutpressureto “coverthecurriculum.”

S t a n d a r d s A l i g n m e n t L e s s o n

f l e c

LessonPlans andAnswerkey

LearningContent

Project1:Joints LessonPlan

Duration: 60-90minutes

Studentswillexplorethefunctionalityofhingeandball-and-socketjointsthroughcodingand building models. They will use servo motors and physical materials to simulate joint movements and connect their learning to real-world applications in biomechanics and engineering

LearningContent

Bytheendofthelesson,studentswill:

1.Identifyanddifferentiatebetweenhingeandball-and-socketjointsinthehumanbodyand mechanicalsystems.

2.Programaservomotortomimicjointmovements

3.Buildfunctionaljointmodelstodemonstratemovement.

4.Reflectonthereal-worldapplicationsofjointmodelsinphysicaltherapyandrobotics.

Vocabulary

Materials

Thepointwheretwobonesconnect,allowingmovement.

Ajointallowingmovementalongoneaxis,likeadoororelbow

Ajointallowingmulti-directionalmovement,likeashoulderorhip.

LearningActivities(Session1)

1. Ask students to observe how their arm and leg joints move. Discuss which joints allow circularmotion(ball-and-socket)andwhichallowlinearmotion(hinge)

2.Showexamplesofhowthesebiologicaljointsinspireengineeringdesigns,likecarsteering mechanisms(ball-and-socket)anddoorhinges(hinge).

Khali, a physical therapist, needs models to teach her patients about joint movements

Students will help by designing and programming models of hinge and ball-and-socket jointsusingservomotorsandbuildingmaterials.

1.DistributeKidsUnomicrocontrollersandservomotors

2.GuidestudentstoconnecttheKidsUnototheircomputersusingaUSBcable.

3.Assiststudentsinpluggingtheservomotorintoport13ontheKidsUno: Brownwire → GND

Redwire → V

Orangewire → D13

1.OpentheArduinoIDEanddemonstrate:

Selecting"ArduinoUno"astheboardandensuringthecorrectUSBportisselected. Openingthe“ServoSweep”example.

2.Walkstudentsthroughmodifyingthecodetouseport13anduploadittotheKidsUno

1.Guidestudentsincreatingahingejointmodel:

Use building blocks and a servo motor to replicate the movementofahingejoint.

Ensure the servo motor is securely attached and functional

2. Ask them to integrate the servo motor into the model so it moveswhenpoweredbythecode.

1.Askstudentstotesttheirhingejointmodels.

2.Discusshowchangingthecodeorstructureaffectsthemovement

3.Promptquestionslike:“Howdoesreducingthedelayaffectthejoint’sspeed?”

1.GuideStudentstoBuildaBall-and-SocketJoint

2. Move around the classroom to observe students as they cut, assemble, and attach their components.

3.Provide individualized support for students who are struggling with specific steps, such as cuttingorstabilizingthestructure.

1. Have students present their joint models to the class, explaining the design process and functionality

2.Useafeedbacktabletohighlightdesignstrengthsandsuggestimprovements.

3.Allowstudentstimetorefinetheirmodelsbasedonpeerandteacherfeedback.

AnswerKey

MATHANDSCIENCECONNECTION

ANSWER1

Theformulaforthecircumferenceofacircleis:C=2πr

Substituter=1andπ=3.14

C=2×3.14×1=6.28units

A3/4circleis75%ofthefullcircle'scircumference:

3 ×6.28=4.71units

Theformulatoconvertdegreestoradiansis: 4

Radians=Degrees×

Radians=270×

Radians=270×0.01744=4.71radians

Answer:Thevalueof270degreesis471radians

ANSWER2

2.Helpstudentstolabelthevalueonthenumberline

3.Radians=Degrees×

Radians= 270×

Radians=−270×0.01744

Radians= 471radians

Answer:−270-270−270degreesisequivalentto-4.71radians.

Reflect

Project2:Weightmachine

LessonPlan

LearningContent

Duration: 60-90minutes

Students will explore the mechanics of pulleys and weight-lifting machines. They will design and build a weight-lifting mechanism using a servo motor and evaluate how pulleys reduce theeffortrequiredtoliftaload Studentswillconnecttheirlearningtotheimportanceofweight machinesinpromotinghealthandstrength,especiallyfortheyoungandelderly

LearningContent

Bytheendofthelesson,studentswill:

1.Understandthefunctionofpulleysandhowtheyreduceeffort.

2.Programaservomotortosimulateweight-liftingmotions.

3. Build a weight-lifting machine using the KidsUno microcontroller and evaluate its performance.

4.Relateweightmachinestohealthbenefitsandtheimportanceofexercise.

Vocabulary

Materials

Aconditionortraitpresentfrombirth.

Thefoodanddrinkregularlyconsumed

Bodytissuesthatcontractandrelaxtoenablemovement.

Equipmentusedtobuildstrengthbyliftingorpushingweights

LearningActivities(Session1)

1. Begin by discussing how lifestyle choices influence health, highlighting the importance of exerciseformuscleandbonestrength

2. Explain that weight machines are crucial for improving strength, mobility, and injury prevention,particularlyforelderlyindividuals.

Ham, a fitness trainer, wants to design a weight-lifting machine to help his clients build muscleandstrengthentheirbones.Studentsaretaskedwithcreatingamechanicalweightliftingmachinetosimulatethisfunction.

1.Showtheimagesofthefixedpulleyandthesystemoftwopulleys

2.Askstudents:Whichpulleysystemdoyouthinkreducestheeffortrequiredtolifttheload? Why?

3.Encouragestudentstoreasonhowthearrangementofpulleysaffectstheforceneededto liftaweight.

1.Guidestudentstoinspectthelargecranedesignandidentifythepulleysection.

2.Askthemtomodifythecraneintoamechanicalweight-liftingmachine: Thedesignshouldliftthesuspendedweightwhenpullingdownononeside Focusonlyonthemechanicaldesign,excludingsensorsorbricksfornow.

1.Providestudentswithaspacetodrawanddescribetheirplan.

2.Encouragecollaboration: Ensureeveryteammembercontributesideastothefinalplan Discusshowtheywillimplementpulleysandservomotorstoliftweightsefficiently.

1. Help students to wrap the wire around the 270° servo motor to create the weight-lifting mechanismandassemblethepulleysystemusingbuildingblocks.

2.Helpstudentstomodifythecodetoprogramtheservomotorforup-and-downmotions

3. Help them to install the OLED display libraries and program the screen to show “Weight Machine.”

1.Doesthepulleysystemreducetheeffortrequiredtolifttheweight?

2.Howdoesthedesignmimicreal-lifeweightmachines?

1. Guide presentations by ensuring all students share their designs and peers provide constructivefeedback.

2.Monitorengagementduringfeedback,encouragingactionableandrespectfulsuggestions.

3. Support refinement by helping students implement key feedback and improve their designs.

AnswerKey

MATHANDSCIENCECONNECTION

ANSWER1

a.The“2”likelyrepresentsthebaseweightofthehandle

2

b.s representsthecontributionofthecube'ssidelengthtotheweight.

2 2

c.s +2=29 ⇒ s =29–2=27 ⇒ s= 27 ≈5.2

d.Sidelengthisirrationalvalue

ANSWER2

b.Radiusrisanirrationalvalue

Reflect

It helps the elderly improve bone strength, preventing injury.It promotes physical fitness among younger individuals, reducing the risk of lifestylerelateddiseases

FitnessTrainersuseweightmachinestodesignpersonalizedstrength-building programs. Biomedical Engineers create innovative weight machines tailored forrehabilitationandelderlycare a.4πr =1 ⇒ r = 2 2 =

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